If you are taking measurements from the given ocean conditions and there is unusually abundant plankton then you have probably found a(n)upwelling zone.
The majority of plankton species are minuscule and frequently less than an inch long, but they also include some larger species like certain crabs and jellyfish. Plankton is divided into different groups by scientists based on their size, kind, and amount of time spent drifting. All ocean ecosystems contain marine plankton, which is essential for preserving the harmony and health of the ocean and its intricate food webs.
Both the food we eat and the air we breathe are supported by the oxygen, nutrients, and biomass plankton create. An oceanographic phenomenon known as upwelling involves the movement of dense, colder, and frequently nutrient-rich water from deep water to the ocean's surface, propelled by the wind. It takes the place of the typically nutrient-poor, warmer surface water.
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Which of these statements expresses a scientific theory?
O A. Any cell that contains a nucleus is usually larger than any cell
without a nucleus.
B. A study of material found on a beach showed the presence of
cells.
OC. A material that consists of one or more cells is a living organism.
O D. All living organisms have a body that consists of one or more
cells.
Answer:
D.
Explanation:
A brown rooster is mated with a brown chicken and they have five offspring. Two are brown and three are white, which is a recessive trait. What is the most likely explanation for this? (5 points)
All of the white chickens carry a mutation.
Feather color is not hereditary.
Both parents carried the trait for white feathers.
Those chicks had less time to develop in the egg.
Answer:
I believe it is c. both parents carried the trait
Explanation:
I think its this because when youre using the square method and end up with a recessive trait that means both parents had to have carried that trait.
Describe how mountains sides are naturally changed by the environment
Answer:
erosion and tectonic plated
It is an acute effect of a toxin in the lake
It is a chronic effect of a toxin in the lake.
It is a synergistic reaction to a toxin.
It is an antagonistic reaction to a toxin.
The correct answer is it is a chronic effect of a toxin in the lake.
A chronic effect is a negative effect on the human or animal body (in this case, the human body) with symptoms that appear gradually over a protracted period.
To put it simply, a chronic condition takes a long time to develop (every day of summer can be thought of as a long-developing time), whereas an acute condition would appear suddenly and quickly.
We also know it's not a synergistic interaction because if it were, Kris would have been subjected to the combined effects of two or more substances, and we don't have enough evidence to support that.
The fact that Kris was not exposed to the effects of two or more toxins rules out an antagonistic reaction to a toxin.
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Although part of your question is missing, you might be referring to this full question:
Kris spends every day of the summer swimming in the lake behind her grandparent's house. By the end of the summer, she is having daily dizzy spells, migraine headaches, and nausea. What can Kris infer about the possible source and reason for her illness?
How does the structure of an amino acid replicate to its function in cellular processes? Use the role of amino acids in the structure of proteins as supportive evidence
A protein's shape directly affects how well it works. For instance, a protein works as a protective protein or a structural protein if its structure is fibrous, as is the case with proteins like collagen and keratin. The protein becomes denatured and ceases to serve its intended purpose if the structure of the amino acids is altered in any way.
What are amino acids?Organic substances known as amino acids have both functional groups for amino and carboxylic acids. Alpha-amino acids, which make up proteins, are by far the most significant amino acids in nature, despite the fact that there are hundreds of other types. The genetic coding only contains 22 alpha amino acids. An organic compound is an amino acid. Carbon-hydrogen bonds are present in organic compounds. All amino acids share a similar fundamental structure. Each molecule has a core carbon atom that is joined to a hydrogen atom, a basic amino group, a carboxylic acid group, and an R-group, also known as a side-chain group.
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Write a minimum of three paragraphs to explain how your favorite organism demonstrates the eight characteristics of life.
WRITE USING THE BACTERIA CAUSE IT IS MY FAVORITE ORGANISM.
The bacteria demonstrates the eight characteristics of life as follows:
reproduction - bacteria reproduce by binary fissionheredity - the bacteria tranfers its genetic informatio to its daughter cellscellular organization - the cell of bacteria is aorgaized to perform several functionsgrowth and development - the bacteria grows and dividesresponse to stimuli - the bacteria responds to cahnges in its environment by for example growing in favorable conditions adaptation through evolution - the bacteria adapts to its envrionment by for example modifying ts DNAhomeostasis - the bacteria mantains a foatly constant internal environmentmetabolism - the bacteria metabolizes nutrients in its enviromjet.What are the eight characteristics of life?The characteristics of life are those characteristics possessed by organisms that make them live.
The eight characteristics of life are as follows:
reproductionhereditycellular organizationgrowth and developmentresponse to stimuliadaptation through evolutionhomeostasis, and metabolism.Organisms that possess these characteristics are able to continue living as their environment changes.
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How do each of the following contribute to genetic variation in offspring?
A) Crossing over
B) Random assortment of homologous chromosomes
C) Fertilization
Crossing over contributes to genetic information because this is when the homologous chromosomes exchange genetic information in prophase 1 .
The random assortment of homologous chromosomes helps sort and organize genetic information randomly to encourage genetic diversity .
- Fertilization contributes to genetic variation by bringing the two gametes together to give their set of genes .
the fungi then absorb the deconstructed organic matter as simple compounds. which of the following explains how this affects the surrounding environment
The absorption of deconstructed organic matter as simple compounds by fungi can help in the cleaning of the environment as well as the availability of nutrients in the soil.
How do fungi actions affect the surrounding environment?
Fungi are heterotrophic organisms means they get their food from other organisms in the environment. They get their nutrition by absorbing organic compounds that are present in the environment. Fungi and bacteria are found in soil which are the primary decomposers of organic matter in land ecosystems. Fungi decompose organic matter by releasing enzymes that can break down the decaying material. After absorbing the nutrients in the decaying material. Hyphae break down the organic matter and absorb nutrients that are used in the growth and reproduction of fungi.
So we can conclude that cleaning of the environment, as well as the availability of nutrients in the soil, occurs when the fungi absorb deconstructed organic matter as simple compounds.
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In a pond, the primary producer is a green alga, spirogyra; the primary consumer is the crustacean, daphnia; the secondary consumer is a small fish, the bluegill; and the tertiary consumer is a larger fish, the smallmouth bass. What changes can be expected in the pond if the daphnia are killed with pesticides?.
If the daphnia are killed by pesticides the population of fish in the pond will greatly decline
The primary consumers (daphnia and Crustaceans) derive energy directly from the producers. Once their population decrease, there will be a significant increase in the population of green algae and spirogyra.
This subsequently leads to oxygen reduction in the pond.he fishes will not have enough oxygen to survive
Also, There will not be enough food for the secondary producer to eat (as only crustacean remain). The secondary pconsumers will not have enough energy to pass down to tertiary consumers and this may lead to their death and potential decrease in their population.
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A line of mutated yeast cells, called wee mutants, has no mitochondria. Their name comes from the fact that these cells are very small compared to other yeast cells. Which energy-harvesting processes can wee mutants perform?.
The tiny mutant yeast cells can engage in the glycolysis and fermentation energy-harvesting processes.
These procedures for gathering energy take place outside of the mitochondria. The cytosol serves as this processes' natural habitat. The altered yeast cells lack mitochondria, as was mentioned in the question, making it difficult for them to obtain energy through the tricarboxylic acid pathway or by electron transport, both of which take place inside the inner mitochondrial membrane. Therefore, the wee mutant yeast cells can only harvest energy from sugar (glucose) either by glycolysis or fermentation and this is as a result of the mutation that has robbed them of a mitochondrion.
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Proteins are responsible for enzymatic reactions, help the body defend itself against harmful bacteria and parasites, and allow for physical movement. What is the most basic need in order for the human body to make proteins?.
Proteins are responsible for enzymatic reactions, help the body defend itself against harmful bacteria and parasites, and allow for physical movement. The most basic need in order for the human body to make proteins is amino acids.
Amino acids are key components of protein molecules and are utilized by the body to synthesize proteins.
There are thousands of amino acids, however, only 20 are crucial as our body needs them to function properly.
Nine out of 20 are known as essential amino acids while 11 are non-essential amino acids.
Essential amino acids - isoleucine, lysine, threonine, leucine, and valine are obtained from food we eat.
Our body does not store amino acids therefore we must consume nutrient-rich food to get enough supply of them.
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If all of our senses ultimately send the same kind of electrical signals to the brain, how do we end up with our distinct sensory and perceptual experiences?.
Answer:
The electrical signals are sent to, and processed by, different parts of the brain that enable each of our senses.
Explanation:
the lack of double bonds in phospholipids with saturated fatty acids allow them to pack together tightly, and therefore the membrane is fluid. kinks introduced by double bonds in lipids with unsaturated fatty acids prevent them from packing together tightly, and therefore the membrane is fluid.
The lack of double bonds in saturated fats allows them to pack together tightly, and therefore the membrane is less fluid. The presence of double bonds in unsaturated fats prevents them from packing together tightly, and therefore the membrane is more fluid.
Dietary fats include saturated fat. In addition to trans fat, it is one of the most harmful fats. At room temperature, these lipids are frequently solid. High quantities of saturated fat are found in foods like butter, cheese, red meat, palm and coconut oils, and butter.
Unsaturated fats, which are liquid at room temperature, are thought to be good fats because they have a number of advantages for well-being, including lower blood cholesterol levels, reduced inflammation, stable heart rhythms, and more. Unsaturated fat molecules can be connected by one, two, or three double or triple bonds. These fats exist as liquid oil at normal temperatures. At room temperature, these fats are liquid in the form of oil.
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Which of the following statements about mining booms is true?
Place each object on the measurement tray , one at a time. which objects have a mass greater than 300 grams ? how do you know?
Place each object on the measurement tray, one at a time, objects like cubes have a mass greater than 300 grams leaving the pointer below the reference. I know that as to put weight on the other arms the pointer gets closer to the reference.
Using a three-arm scale, successive approximations are used to determine the weight of a body. Starting with the arm with the greatest mass (middle), weights are added to the second arm (above) to bring the pointer as close to zero as possible without going over, and when it is used, the arm with the lowest mass (below), masses are added until it reaches the reference. The three numbers are summed up after taking into account the total weight of all the jinetillos and the product of the jinetillo's position and the arm's accuracy.
The jinetillo is positioned in position 3 of the 100-arm structure in the provided example, making the weight 300 g of cubes.
The pointer must be inside or below the reference (zero) for the weight to be accurate. When an object weighs more than 300 g, the pointer drops below the reference; to get the proper weight, the other two arms must be used. The pointer approaches the reference as you shift weight to the other arms.
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The given question is incomplete. The complete question is:
How is a triple beam balance used to find mass?
1. Observe: The riders have masses of 10 grams (top), 100 grams (middle), and 1 gram (bottom). Drag the 100-gram rider to 300. At this position, it balances a 300-gram mass. What happens to the pointer?
2. Compare: Place each object on the measurement tray, one at a time. Which objects have a mass greater than 300 grams? How do you know?
PLEASE HELP
5. Describe what is meant when we say a protein/enzyme is denatured.
6. Identify at least three factors that can denature proteins/enzymes.
7. Define enzyme and give two examples of enzymes and their functions in the human
body.
8. Describe what is meant by a structural protein and provide two examples in the human
body.
An enzyme is denatured when it loses its natural shape (5), which may occur in normal temperature, pH and ion concentration (6). An enzyme is a protein that catalyzes a reaction such as catalase and peroxidase, which work together to eliminate toxins (7). Moreover, structural proteins form cellular structures such as microtubules or actin filaments in the cytoskeleton (8).
What is an enzyme?An enzyme is a protein that may speed up the velocity of a reaction by lowering the activation energy required to carry out the conversion of reactants to the final reaction products in such reaction.
Conversely, structural proteins do not have enzymatic activity but they play a fundamental role to form cellular structures such as the actin filaments in the muscle cells, which are composed of key actin structural proteins.
Therefore, we can conclude that enzymes are non-structural proteins that can work to increase the speed of a chemical reaction, which is fundamental during metabolic activities.
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What kinds of scientific investigations do
not involve experiments?
The experimental investigation does not involve involve experiments.
A "fair test" is a technique used in experimental studies that are devised, measured, and regulated to gather data in order to accept or reject a formal relationship.
A control group is included in all experimental studies; this group does not require or undergo any form of experimental treatment.
For instance, a student might investigate "Discuss the impact of light hue on plant growth?" In this experiment, the pupil changed the light's changeable color. The student may contrast red light, green light, and natural light.
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PLS ANSWER FAST 50 POINTS
Sasha did an experiment to study the solubility of two substances. She poured 100 mL of water at 20 °C into each of two beakers labeled A and B. She put 50 g of Substance A in the beaker labeled A and 50 g of Substance B in the beaker labeled B. The solution in both beakers was stirred for 1 minute. The amount of substance left undissolved in the beakers was weighed. The experiment was repeated for different temperatures of water and the observations were recorded as shown.
Experimental Observations
Substance Mass of Undissolved Substance at Different Temperatures (gram)
20 °C 40 °C 60 °C 80 °C
A 12 11 9 8
B 45 40 34 31
Part 1: Which substance has a higher solubility?
Part 2: Explain your answer for Part 1.
Answer: The solubility of B is high than the solubility of A.
Explanation:
The solubility is defined as the amount of substance dissolved in a given amount of solvent. More the solute gets dissolved, high will be the solubility and less the solute dissolved, low will be the solubility.
For the given observations:
Mass of undissolved substance of substance A is more than Substance B at every temperature. This implies that less amount of solute gets dissolved in the given amount of solvent.
Hence, substance B has high solubility than substance A
Which is a requirement for a person to become a naturalized U.S. Citizen?
Answer:
Working in the US for 5 years
Melissa is a student studying biology at the university of michigan. She grew up in michigan, in a nearby town. Identify each person as either being a member of an in-group or out-group for melissa.
The persons that can be identified as an in-group for Melissa are: a current community college student with whom Melissa went to high school, her sister who is a student at Michigan State, a history major at the University of Michigan. The person that can be identified as an out-group for Melissa is: an Ohio State student who went to Melissa's rival high school in Michigan.
In the field of sociology, an in-group can be described as such a group that is recognized by a certain person and claims to be a part of that group. On the other hand, an out-group can be described as such a group that is not recognized by a person and is not a part of that group.
In the scenario above, Melissa's family members, her college fellows, and her university mates will be considered her in-group. On the other hand, as Melissa does not recognize every person from her rival university, hence they would be her outgroup.
Although a part of your question is missing, you might be referring to this question:
Melissa is a student studying biology at the University of Michigan. She grew up in Michigan, in a nearby town. Identify each person as either being a member of an in-group or out-group for Melissa.
a current community college student with whom Melissa went to high school.
an Ohio State student who went to Melissa's rival high school in Michigan
Her sister who is a student at Michigan State.
A history major at the University of Michigan.
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A student observes cells of a familiar species under a microscope analyze the observation the student recorded in the chart below. Which of the following observations support the students conclusion that the species is a prokaryote?
The absence of membrane-bound organelles is the most suitable observation to differentiate the cells.
This is due to the fact that membrane-bound organelles are present in all eukaryotes but not in prokaryotic cells. One of the many distinctions between eukaryotes and prokaryotes is this one.
Eukaryotes and prokaryotes also differ in other ways.
bacterial cells
There are only single-celled organisms known as prokaryotes.
The DNA in prokaryotes is circular.
Prokaryotes lack a nuclear structure.
There are no organelles with membrane-bound organelles.
Eukaryotic cells: Single- and multicellular organisms make up eukaryotes.
The DNA of eukaryotes is linear.
There is a nucleus in eukaryotes.
Organelles have connections to membranes.
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Substances like water have their own chemical formulas. What does a chemical formula tell you?
Answer: A chemical formula is an expression that shows the elements in a compound and the relative proportions of those elements. If only one atom of a specific type is present, no subscript is used. For atoms that have two or more of a specific type of atom present, a subscript is written after the symbol for that atom
Explanation:
You are standing on a street corner and you hear an ambulance siren. The
pitch of the siren seems to be getting higher. What do you expect will happen
next?
A. The siren will get louder and higher as the ambulance moves
toward you.
OB. The pitch of the siren will continue to get higher, but you will not
see the ambulance because it is moving away.
C. The pitch of the siren will change unpredictably as it approaches
you.
OD. The siren will eventually fade as the ambulance moves away from
you.
Answer:
The pitch of the siren will drop and then we know that ambulance is going away .
Explanation:
Answer
The siren will get louder and higher as the ambulance moves
toward you.
Explanation:
You can get mercury poisoning if you eat daily meals of tuna, a top predator. However, you can safely eat daily meals of sardines, which are primary consumers. What biological process explains this?.
Answer:
The trophic system
Explanation:
Because mercury is commonly released into the environment, it accumulates in ocean sediments and eventually enters the food chain. The reason you can eat sardines safely is because the are primary consumers also known as autotrophs or herbivores. Because sardines aren't predatory they never consume mercury in a quantity high enough to even enter the bloodstream. However, tunas are heterotrophs or carnivores (though heterotrophs can still be omnivorous) meaning that they often consume other primary consumers with high amounts of mercury in their bloodstreams as well.
the , the part of the brain that regulates many bodily functions, has been identified as a possible contributor to the development of eating disorders. cerebellum
The hypothalamus, the part of the brain that regulates many bodily functions, has been identified as a possible contributor to the development of eating disorders.
The hypothalamus also called the control coordinating center, regulates various body functions and is also a possible contributor to an eating disorder or 'anorexia'.
In anorexia, an eating disorder, orexigenic factors produce a mixed signal that weakens the hypothalamus and causes disturbances in its regulatory pathways thus allowing the brain to have control over the hypothalamus and ward off the eating signals.
It also regulates and maintains the internal balance of our body, known as homeostasis, through regulating or inhibiting body temperature, increased heart rate, and blood pressure.
In order to keep our body in a stable state, it influences our nervous system and also manages hormonal activities.
Other key processes regulated by the hypothalamus are thirst and hunger, mood swings, sleep cycle, and sex drive as well.
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More desert cottontail rabbits move into the ecosystem. Describe how the additional rabbits will affect the carrying capacity of the ecosystem for both coyotes and wild grasses.
Additional rabbits may affect the carrying capacity of the ecosystem for both coyotes and wild grasses because it may lead to the exploitation of the trophic level immediately below (i.e. grasses), affecting its equilibrium.
What is ecosystem homeostasis?The expression ecosystem homeostasis or ecosystem stability makes reference to the delicate internal equilibrium in which all trophic level can coexist in a food chain. A sudden increase of organisms in a trophic level may alter this equilibrium.
Therefore, we can conclude that an increase in the rabbit population may alter the ecosystem by affecting its homeostasis.
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why is onion skin referred to as tissue?
Explanation:
The epidermis of the onion bulb is a single layer of tissue that is easy to separate. For this reason, onion peel is best for educational and experimental purposes to study the structure of plant cells. Due to the large size of onion cells, the cells can be examined under low magnification.
What is ATP used for in cells?
Answer:
Energy Source ATP is the main carrier of energy used for all cellular activities.
Explanation: ATP stands for adenosine triphosphate, which is a biomolecule that is formed by the combination of three components a purine base (adenine), a sugar molecule (ribose), and three phosphate groups.
consider a hypothetical signaling pathway where the initiating signal is a, the terminal response is e, and there are three intermediate components, b, c, and d, such that the complete pathway is a-b-c-d-e. experimentally, you determine that e acts to simulate a. this is an example of
This is an example of Positive feedback
In contrast to negative feedback, positive feedback occurs when an output is used as a signal to increase further response of the output. In other words, if process A results in consequence E, E reinforces process A, resulting in a cascade where more of E occurs, which causes more of A to occur, and so on.
That is to say, E signals to A to continue the sequence of reactions leading to output E in itself. In most cases, positive feedback always acts to elicit a response from the initiating or preceding steps in a pathway. It is called positive feedback because the result of the action is to amplify the output of a process.
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How do fish stay alive when a lake or ocean freezes?
O The frozen ice sheets float on top of the water, providing insulation.
O The cohesive properties of water prevent the lake from freezing.
O The water molecules have adhesive properties.
O The ice sinks, giving the fish a way to escape the water.
The frozen ice sheets float on top of the water, providing insulation.
do fish stay alive when a lake or ocean freezes
How do fish endure in ice-covered water?Water does not freeze under the higher, ice-covered layer; it stays in its liquid state. In addition, oxygen is imprisoned beneath the ice. Fish and other aquatic creatures can thus dwell peacefully in the frozen lakes and ponds.
Only shallow water bodies will solidify because the ice acts as an insulator, delaying the cooling of the water below. Because there is constantly access to liquid water, even when it is quite cold, higher creatures like fish can thrive.
Fish in this resting condition move very little, their hearts slow down, and their requirements for food and oxygen diminish.
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