Answer:
the epidermis, dermis, and the hypodermis
Explanation:
If you want to measure the length of a football field in metric units, which of the following are you most likely to use?
centimeters
centiliters
hectoliters
hectometers
Answer: hectometers
Explanation:
What year did the scientist start collecting data about perch height of the green anoles
May 1995 is when they started collecting data about the perch height of the Green Anoles.
Suggest how the pH of plaque ( of teeth) could be measured safely.
Which combinations of traits would be possible in future generations if the genes for fur color and eye color assort independently? Select all possibilities.
Answer:
the answer would be black fur, black eyes and white fur , red eyes
Explanation:
5. Which statement best describes the geocentric model of our solar system?
Answer:
Earth is at the center.
Explanation:
The geocentric model is a model system that explains how the planets in the solar system move around.
Ptolemy established the geocentric concept, which states that the earth is at the center of the solar system and that other celestial bodies, including planets and stars, rotate around it.
Nicolas Copernicus invalidated this model system by explaining that the sun is at the center of the solar system and that the planets rotate around it.
Where would a region of nonpolar amino acids be in a folded protein?
in the secondary structure within the ß pleated sheet
in the secondary structure within the a helix
in the tertiary structure within the core of the protein
in the tertiary structure as part of side chains linked by hydrogen bonds
Answer:
third option should be correct
Explanation:
In the 1970s, staghorn corals dominated Caribbean reefs. Since that time, staghorn corals have declined by over 90% and are now classified as critically endangered. What do you think are the causes of this decline, and why do you think staghorn is so vulnerable?
The major cause of staghorn corals decline is, that some organisms in the same aquatic environment affect them negatively and harm them a lot.
What do you mean by Corals?Corals may be defined as marine invertebrates organisms that are composed of colonies of skeletons underwater bodies.
Staghorn is so vulnerable because its branches are so fragile and break by any disturbances. This causes the staghorn to ultimately disintegrate and die.
Therefore, it is well described above.
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Which is a negative effect of deforestation on the environment?
habitat restoration
desertification
soil production
urbanization
The negative effect of Deforestation on the environment includes biodiversity loss, soil erosion, water pollution, and desertification. So option B is correct.
What is meant by deforestation?Deforestation is the process of removing trees from a forest to facilitate human activities. Deforestation is a major environmental issue as it can lead to biodiversity loss, habitat destruction, water pollution, and soil erosion.
The most common definition of deforestation is the felling of trees by humans. However, deforestation can also be caused by natural events such as floods or fires. Deforestation is most commonly used to clear land for agricultural purposes or to harvest timber from fallen trees.
The rapid decimation of forests is causing a biodiversity crisis unprecedented in history. The primary impact of deforestation on wildlife is habitat destruction. Many factors associated with the destruction of trees contribute to the extinction of species. Land erosion removes nutrients from the soil, which is a major source of food for animals and plants.
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A farmer is struggling to control the population of a certain insect on his farm. After researching population control techniques, he discovers that a particular bird is a predator of this insect. The farmer purchases a number of these birds and releases them onto his farm.
How might the farmer’s action most likely have a negative impact on the ecosystem?
The birds will increase biodiversity of native plant species.
The birds will pollinate native species, increasing genetic variation.
The birds will consume beneficial insects, as well as the pest species.
The birds will mate with native birds and create a new species.
One of the effects of the farmer's action on the ecosystem would be that the birds will consume beneficial insects along with the pest species.
Ecological effects of biological pest controlBiological control of pest requires that a living organism that will prey on the pests are introduced into the ecosystem
However, the most effective biological control of pests has to do with introducing biological agents that are very specific in action.
Using a bird species to control insect pests may lead to beneficial insects being consumed along with the insect pest in the ecosystem. The loss of beneficial insects will create a new problem in the ecosystem.
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What forms of nitrogen and carbon can be used by plants?.
Nitrogen in form of soluble nitrite salts
Carbon in form of carbon dioxide
Nitrogen is converted to salts by the action of nitrogen fixation bacteria or can be provided by use of chemical fertilizers or organic fertilizer
carbon dioxide is present in air from where plants influx it from stomata opening in leafs
Explain how gases that producers need &
produce enter and exit the plant.
Answer:
Carbon dioxide and oxygen cannot pass through the cuticle, but move in and out of leaves through openings called stomata (stoma = "hole"). Guard cells control the opening and closing of stomata. When stomata are open to allow gases to cross the leaf surface, the plant loses water vapor to the atmosphere.
Which compound can only be made if it has access to magnesium ions?
Answer:
Hope it helps
Explanation:
Green plants absorb light in their leaves and convert it to energy by photosynthesis. Temperature, carbon dioxide concentration and light intensity can affect the rate of photosynthesis.Plants need minerals for healthy growth. They are absorbed through the roots by active transport as mineral ions dissolved in the soil water.Magnesium ions and nitrate ions are needed by plants. A plant will not grow well if it cannot get enough of these ions, and it will show symptoms of mineral deficiency. Fertilisers are used to replace minerals used by plants.
Nitrogen fertilisers - such as ammonium nitrate and ammonium phosphate - provide plants with water-soluble sources of nitrogen that they can absorb through their roots. They allow farmers to increase the yield and quality of their crops. However, overuse can cause problems. Eutrophication happens when excess nitrate (or phosphate) enters rivers or lakes from fields. This can lead to the death of fish and other aquatic animals.
The Wallace Line separates marsupials from what other kinds of species?
Answer:
The Wallace Line separates marsupials from placental mammals.
What does the Golgi body
do with materials?
A. destroy them
B. transport them in and out of the cell
C. create them
D. hold them inside the cell
Answer:
B transport them in and out of the cell
Explanation:
It is this Because golgi's make the proteins and ship them to wherever. But if they receive cell's they transport them to where they are needed.
Describe how the body responds to transplants and how doctors are able to successfully perform transplants.
How do pain relievers work?
increase production of white blood cells
increase body temperature
block messages within the nervous system
block hormone production
Answer:
transplants:
increase production of white blood cells
pain relievers:
block messages within the nervous system
Explanation:
body may see the transplanted organ as a foreign object
body may send white blood cells to fight the transplanted organ
doctors often give immuno suppressors to those patients so the organ they received isnt hurt by the white blood cells
the second law of thermodynamics states that?
Answer:
"As energy is transferred or transformed, more and more of it is wasted."
Explanation:
Answer:
"As energy is transferred or transformed, more and more of it is wasted."
In this case the second law of thermodynamics (in the simplified form presented here) says that no matter what process takes place inside the container, its entropy must increase or remain the same in the limit of a reversible process...
Explanation:
The second law of thermodynamics states that as energy is transferred or transformed, more and more of it is wasted. It's one of the four laws of thermodynamics, which describe the relationships between thermal energy, or heat, and other forms of energy, and how energy affects matter...
The second law of thermodynamics says that when energy changes from one form to another form, or matter moves freely, entropy (disorder) in a closed system increases. Differences in temperature, pressure, and density tend to even out horizontally after a while...
The second law of thermodynamics describes the nature of processes and chemical reactions as follows: processes occur spontaneously if and only if by their process, the entropy change in the universe, is greater than or equal to zero…
Second law of thermodynamics:Statement,examples and applications. The second law of thermodynamics states that heat can flow spontaneously from a hot object to a cold object; heat will not flow spontaneously from a cold object to a hot object. Carnot engine, heat engine are some examples of second law of thermodynamics .....
The second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object. The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object.
Why is the second law of thermodynamics so important? Second law of thermodynamics is very important because it talks about entropy and as we have discussed, 'entropy dictates whether or not a process or a reaction is going to be spontaneous'...
His formulation of the second law, which was published in German in 1854, is known as the Clausius statement: Heat can never pass from a colder to a warmer body without some other change, connected therewith, occurring at the same time. The statement by Clausius uses the concept of 'passage of heat'...
“The first law of thermodynamics also known as the law of conservation of energy states that energy can neither be created nor destroyed, but it can be changed from one form to another.” “The second law of thermodynamics states that the entropy in an isolated system always increases.”
what happens to bacterial growth after 40∘ c
Answer:
It depends on the type of bacteria.
Explanation:
Without more information, it would be impossible to tell what would happen to bacterial growth after 40 C. Some bacterial growth will slow, some will undergo a population explosion.
state the difference between the synthesis and the breakdown of a protein. thanks!
Synthesis of protein is the building up of protein molecule while the breakdown of protein is the degradation of the protein molecule.
What is protein?Protein is one of the biological molecules that present in living organisms and contain it's building blocks known as amino acids.
The synthesis of protein is the process used by living organism to produce proteins from amino acids (that is the building block).
The breakdown of protein is the degradation of protein molecule which is also called catabolism.
Therefore, the difference between protein synthesis and breakdown is that synthesis of protein is the building up of protein molecule while the breakdown of protein is the degradation of the protein molecule.
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What hapends to a wave when you increase the dampening
Answer:
As the damping increases, the phase speed decreases, but the group speed actually increases
Explanation:
I hope this helps! :)
4.. Which of the following best explains why
pulmonary arteries have lower oxygen
and higher carbon dioxide levels than
veins have?
(A) Pulmonary arteries have blood that has been
saturated by oxygen.
(B) Pulmonary arteries carry blog from the heart
to the lungs.
(C) Pulmonary veins carry
from the lungs
to systemic tissues.
(D) Pulmonary veins diffa their oxygen to
pulmonary arteries
(E) Systemic capillaries rculate blood to
pulmonary veins
ama Na
1. Assuming there has been no geological activity to disturb the order of the rock layers, state in which rock layer (A-O) you would find:
(b) The oldest rocks at Location 1:
Assuming there has been no geological activity to disturb the order of the rock layers, rock layer is (b) The oldest rocks at Location.
What are the Finding of the oldest rocks?The global is a tougher challenge than it'd seem. Earth's crust is a dynamic gadget and is constantly in motion, so rocks are always being moved around, created and melted down withinside the fantastic geological recycling programThe oldest zircon dates are 4.36 billion years. Before this study, the oldest dated rocks have been from a frame of rock called the Acasta Gneiss withinside the Northwest Territories, which can be 4.03 billion years old.
There were older dates from Western Australia for remoted resistant mineral grains referred to as zircons," says Carlson, "however those are the oldest complete rocks located so far." The oldest zircon dates are 4.36 billion years.
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chlorophyll is necessary for photo
synthesis
Answer:
Yes
Explanation:
Im doin it rn in edge
Which answer a b or c.
Organisms such as jellyfish and sea turtles depend on which ocean movements to find food and avoid predators? *
a. tides
b. waves
c. gravity
d. currents
Answer: D. Currents
Explanation:
A current is the movement of streams under the water. It carries organisms and other matter through the ocean. Jellyfish, although they can swim, mostly rely on currents to float through the water.
The diagrams A and B below show a student moving the same boxes in
two different ways. In diagram B, the student is using wheels, which are
part of a simple machine.
It will be easier for the student to use wheels to push the boxes in
diagram B because there is
(A) less mass
(B) less friction
(C) more gravity
(D) more erosion
This is a short, white and fluffy
feather. What type of feather
is this?
A. Pennaceous
B. Down
C. Contour
D. Flight
Answer:
letter B is the answer
Explanation:
down yes letter b
A couple has three children, two of which have blonde hair. The third child and both parents have dark hair. What can be determined about the gene for hair color in this family
Answer:
Blonde hair color.
Explanation:
it is an autosomal recessive trait
When developing a business plan for a greenhouse, one of the things a grower will wish to do is calculate
crop costs and crop yield estimates using what base unit?
a. per square yard
b. per acre
c. per square foot
d. per building
*its c*
A grower will wish to do is calculate crop costs and crop yield that estimates by using a base unit known as per square foot.
What do you mean by Crop yield?The crop yield may be defined as the total productivity of a crop at a particular season, It also deals with the weight of grains that are grown in the agricultural field.
The cost of a crop with respect to its yield is always calculated by using a base unit called per square foot.
Therefore, a grower will wish to do is calculate crop costs and crop yield that estimates by using a base unit known as per square foot.
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Body Temperature Control Control of body temperature is important for maintaining homeostasis, particularly in areas where temperature varies widely with time of day and with season.
- An ectotherm is an animal whose regulation of body temperature depends mostly on its relationship to sources of heat outside its body. Most reptiles, invertebrates, fishes, and amphibians are ectothermic.
- An endotherm is an animal whose body temperature is regulated, at least in part, using heat generated by its body. Birds and mammals are endothermic.
5. List three features that animals need in order to control their body temperature.
Answer:
The features are
The thyroid glandsThe musclesThe skin.Choose the description that does NOT describe sustainability
Answer:
Use as many as you want even if you don't want to
Explanation:
sustainability is about small changes we can make to help look after the planet. Making these changes helps protect animals, plants and our natural resources so that future generations will be able to enjoy them.