Answer:
Direct purposes include bathing, drinking, and cooking, while examples of indirect purposes are the use of water in processing wood to make paper and in producing steel for automobiles.
Explanation:
I hope this helps!!Can you guys help me?
1. One of the basic conditions for natural selection to occur is that there must be variability within a species. What variability was present in the population of utensil birds?
2. Before the terrible drought, which beak types gathered the most food items?
3. After the terrible drought, which beak type was most successful?
4. Over time, if drought conditions continue, what would you expect to happen to the number of birds with each of the 4 types of beaks in the population? Be specific as to which ones might increase, decrease, or stay the same.
5. As the individuals of the species change over time, the whole species may begin to look very ddifferent. If these birds become isolated from other populations, it may even become a completely different species. What is the name of this process called?
6. In this experiment, why did we do four trials for each type of food instead of just one?
7. Why did we focus on the class average data instead of the individual group averages?
8. Did your group get trivial or significant differences between your trials for the spoon beak? What most likely caused these differences?
Here my graphs; by the way don't worry about the forks! because my group dind't have any.
Based on natural selection and the data provided, it was observed that birds with the spoon beak type were most successful in obtaining food both before and after the drought.
What is natural selection?Natural selection is the process by which organisms that are better suited for survival in an environment are selected to survive and reproduce.
Natural selection depends on variation among species.
Considering the table:
1. There was variation in the beak type of the birds.
2. Before the drought, the toothpick beak type and spoon beak type gathered the most most food.
3. After the terrible drought, the spoon beak type was most successful.
4. If the drought conditions continues;
The toothpick beak type will decreaseThe spoon beak type will stay the samethe fork beak type will decreasethe knife beak type will decrease5. The process by which If the birds become isolated from other populations they become a completely different species is called evolution.
6. Having repeated trials helps the reduce the possibility of chance occurrence in the results obtained.
7. The class average data will give a truer picture of the effects of drought on bird feeding because of the larger number of sample.
Also, it will help to eliminate individual group errors and identify outliers.
8. There were no significant differences between your trials for the spoon beak.
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What makes up skin tissue?
A organ systems
B cells
C organs
D. organisms
Answer:
cells
Explanation:
You work at the Barnacle Boutique, and you are preparing to offer a class in which customers will hand-dye silk scarves using modern ebru techniques. According to the document, you will need:
a. acid dyes and food coloring.
b. vinegar and powder dye.
c. acrylic paints and water.
d. tissue paper and heat.
e. natural earth pigments and pinewood.
In carrying out the modern ebru techniques, the instructor will require acrylic paints and water.
What is dyeing?The process of dyeing is the process of adding color to a material such as a piece of painting. Dyes are normally very useful to an artist introducing a painting.
In carrying out the modern ebru techniques, the instructor will require acrylic paints and water.
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What is the type of molecule made during transcription
Answer:
Transcription is the process by which the information in a strand of DNA is copied into a new molecule of messenger RN
Explanation:
Answer:
The molecule that is made is the messenger RNA
Explanation:
Got it right on my study guide and my test.
Glycolysis is: _____________
a) aerobic in some tissues but anaerobic in others.
b) aerobic in some organisms but anaerobic in others.
c) aerobic.
d) anaerobic.
e) None of the other answer options is correct.
Answer:
A
Explanation:
How many atoms are there in 25 grams of calcium
Answer:
The molecular weight of calcium carbonate is 100 g per mole. 25 g of calcium carbonate corresponds to 0.25mole. 1 molecule of calcium carbonate contains three oxygen atoms. Thus, 0.25 mole of calcium carbonate will contain 0.75 moles of oxygen atoms which is equal to 0.75×6.02×10^23=4.51×10^23 oxygen atoms.
Explanation:
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In skeletal muscles, fast oxidative (intermediate) fibers are characterized as type ______, and they typically produce ATP through ______ cellular respiration.
Given what we know, we can say that In skeletal muscles, fast oxidative (intermediate) fibers are characterized as type ll-A, and they typically produce ATP through aerobic cellular respiration.
What are fast oxidative fibers?These are a type of muscle fibers that can be trained. This means that they usually do not occur naturally but through continued muscle training by the individual. They are also referred to as enhanced fast-twitch muscle fibers. They are aerobic meaning that they require oxygen to undergo cellular respiration.
Therefore, we can confirm that fast oxidative (intermediate) fibers are characterized as type ll-A, and they typically produce ATP through aerobic cellular respiration.
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The _____ that helps an individual to survive in its particular habitat is a feature that is likely to be passed on from generation to generation.
please help
The trait that helps a living organism to survive in its particular habitat or ecosystem is a feature that is most likely to be passed on to subsequent generations.
What is natural selection?Natural selection can be defined as a biological process in which living organisms (individuals) possess certain inherited traits, qualities, and characteristics that enables them in their particular habitat or ecosystem, to successfully adapt to certain environmental factors, survive, and reproduce, as well as passing these traits and genes to their offspring or subsequent generation.
This ultimately implies that, a trait that helps a living organism to survive in its particular habitat or ecosystem is a feature that is most likely to be passed on from generation to generation.
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In the visual system of the mammalian cerebral cortex, the dorsal stream is specialized for detecting____, and the ventral stream is specialized for detecting ___
The dorsal stream is specialized for detecting location , and the ventral stream is specialized for detecting shape.
What is Cerebral cortex?This is referred to as the neural tissue that is found at the outermost to the cerebrum of the mammalian brain.
In the visual system of the mammalian cerebral cortex, the dorsal stream is responsible for detecting location while the ventral stream is specialized for detecting the shape of objects.
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A pride of lions hunting a dazzle of zebras. What relationship is it, commensalism, parasitism, or mutualism?
Answer:
This is an example of parasitism.
Explanation:
The lions benefit while the zebras are harmed.
Which type of cartilage is surrounded by a perichondrium and named for its clear, glassy appearance?.
Answer:
Hyaline cartilage is covered externally by a fibrous membrane known as the perichondrium or, when it's along articulating surfaces, the synovial membrane
Explanation:
Define ecological competition
Ecological Competition is most typically considered the interaction of individuals that vie for a common resource that is in limited supply, but more generally can be defined as the direct or indirect interaction of organisms that leads to a change in fitness when the organisms share the same resource.
Answer:
Ecological Competition is an interaction between organisms or species in which both require a resource that is in limited supply. Competition lowers the fitness of both organisms involved, since the presence of one of the organisms always reduces the amount of the resource available to the other.
What is cytokinesis and when does it occur
Which describes the foramen magnum? large opening at the base of the skull that the spinal cord passes through shallow depression on the skull to which the jaw bone attaches large projection on the skull to which the jaw muscles attach tiny spaces between the fused bones of the skull.
A large opening at the base of the skull that the spinal cord passes through.
The correct option is A.
What is a foramen magnum?The foramen magnum is a large oval-shaped opening present in the occipital bone.
There are several oval openings in the skull, it is one of them.
The medulla oblongata passes through it, which connects to the spinal cord and brain.
The correct option is A, A large opening at the base of the skull that the spinal cord passes through.
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Answer:
A
Explanation:
To transcribe a mRNA from DNA in the nucleus the nitrogen base pairing is
Answer:
Unsure about answer so ask to your teacher and reply back.
Explanation:
Transcription is the process of copying a strand of DNA into a strand of mRNA in the nucleus to prepare for protein synthesis.
The transcription would utilize complimentary base pairing rules for DNA to RNA
A-U Adenine to Uracil
T-A Thymine to Adenine
C-G Cytosine to Guanine
G-C Guanine to Cytosine
Uracil replaces thymine in RNA
For the original DNA strand of
3'- TACCGAGATGTATCAACT -5'
The transcribed mRNA would be
5'- AUGGCUCUACAUAGUUGA-3'
PLEASE HELP!!!!!!!!! WILL GIVE 30 POINTS AND MARK BRAINLIEST Explain why a food web is a more realistic model of energy flow than a food chain.
Answer:
because food web can contain like all foods food chain is each individual different chains
Explanation:
its like the same as animals
Answer:
Food chains only show one path by which energy can move through an ecosystem. Because most organisms eat a variety of things, they are part of many food chains. A food web shows the interconnected food chains in an ecosystem and the multiple paths through which energy can move, which is why it is a more realistic model for showing energy flow.
Explanation:
sample response
What is the embryo called after the cleavage stage?.
Answer:
After the cleavage has produced over 100 cells, the embryo is called a blastula. The blastula is usually a spherical layer of cells (the blastoderm) surrounding a fluid-filled or yolk-filled cavity (the blastocoel).
Answer:
Blastula Stage
Explanation:
<3 hehe
Which of the following is not a goal of the Seafood Watch program? a. To promote sustainable fishing b. To identify unsustainable sources of fish c. To increase fish sales d. To improve ocean health Please select the best answer from the choices provided A B C D.
Answer:
c. to increase fish sale
Explanation:
hope it helps
Answer: C
Explanation: Seafood watch groups are always looking for ways to promote sustainable fishing as well as improve ocean health. Identifying unsustainable sources of fish is also a part of the Seafood watch program. The only answer left is, increase fish sales.
where dose an electron go when it is removed? pls help
Answer:
A neutral atom with some of its its electrons removed (or extra ones added) is called an ionized atom, or just an ion. when one removes an electron from the atom it is bound to, one creates an ion (in that case one creates a positively charged ion since the electron has a negative charge).
Explanation:
True or False? Endurance training results in an increase in parasympathetic nervous activity and this allows for a reduced resting heart rate.
Answer:
Endurance training increases parasympathetic activity and decreases sympathetic activity in the human heart at rest. These two training-induced autonomic effects, coupled with a possible reduction in intrinsic heart rate, decrease resting heart rate.
States with a single wing is found in
Answer:
1968–69, Louisiana State, 31, Florida State, 27
Explanation:
Describe the characteristics of a vertebrate. Include an example.
Answer:
They have a backbone, most use legs,wings,or fins for movement.
Answer: Vertebrates are differentiated by having a vertebral column. As chordates, all vertebrates have a similar anatomy and morphology with the same qualifying characteristics , a dorsal hollow nerve cord, pharyngeal slits
Example
Vertebrates have a spine, or backbone, made of multiple disc-shaped bones called vertebrae. There are five classes of vertebrates which are: amphibians, fish, reptiles, birds, and mammals. Examples include frogs, tuna, snakes, parrots, and monkeys.
PLEASE THIS IS DUE AT 11:59 how are the consequence of injuries to the heart and spinal cord similar to each other? how are they different from consequences of injuriess to the smooth muscle
Answer:
spinal cord injuries and heart injuries both cause tightness or a feeling of pressure in the neck, whereas muscle injuries can cause swelling and soreness, which often restricts movement.
Explanation:
the spinal cord can cause numbness in any part of the body when injured, as well as cause pressure in neck or chest and tightness in the neck. heart injuries aso can produce a feeling of pressure or tightness in the wounded persons neck. muscle injuries however cause swelling and soreness, as well as often restricting movement.
please awnser all 3 questions!
How is a protein made?
Describe how a change in the DNA leads to change in the protein that is made.
How is it possible that some offspring inherit a genetic mutation while others dont?
A lung cell maintains homeostasis. What is this an example of?.
Answer:
Intracellular Communication
How long does it take for a water bottle to decompose?.
Answer:
450 years
Explanation:
well, according to some researchers, They estimate that due to the PET used in objects like plastic bags, plastic water bottles and plastic straws, it could take upwards of 450 years to decompose.
My abdomen hurts why?
Answer:
Whether you've got a mild ache, sharp pain, or cramps, abdominal pain can have many causes. For instance, you might have indigestion, constipation, a stomach virus, or, if you're a woman, menstrual cramps. You may also get abdominal pain if you're lactose intolerant or have ulcers or pelvic inflammatory disease.
Explanation:
Can Legislation make a real difference in our local conservation efforts
describe evidence that supports the big bang theory
A baker notices that when dough is made, the one that is left in the warmer area rises faster than the one left in the refrigerator. Why is this?
Answer:
The more sugar your yeast eats, the more gas that gets formed, and the higher the bread rises!
Explanation:
Most recipes call for the dough to rise at least twice; this gives the yeast extra time to eat sugar and produce gas bubbles. The final rise is known as proofing the bread dough.
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