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stealth61 [152]
3 years ago
10

Variation in a trait is a required condition for natural selection to act on a population for that trait. Assuming a

Biology
1 answer:
mel-nik [20]3 years ago
8 0
Because two organisms one with the trait and one without could make an organism which would cause variation
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A protein that acts as a hormone is _____. 1. collagen 2.methionine 3. pepsin 4. insulin
galben [10]

Answer:

The correct answer is 4. insulin

Explanation:

Proteins are made up of amino acids which are joined together by peptide bond. Insulin is a peptide hormone which is made amino acids therefore it is also a protein. An insulin molecule is made up of 51 amino acid residues and 5808 Da is its molecular weight.

The insulin hormone is released by the beta cell of the pancreas. It is released when the level of glucose in the blood increased from the normal blood glucose level.  

It helps in conversion of glucose into glycogen and its storage in muscles and liver. So by doing this, it decrease the level of glucose in the blood. Therefore the right answer is 4.

8 0
3 years ago
You have gone into the field to take water samples from
timofeeve [1]

Answer:

Lake A: pH = 4.5; Lake B: pH = 7.5

Explanation:

I think that one because if you look on the acid vs base chart acid is from 0-6 and bases are from 8-14 and acids are less toxic, so you would infer that lake A has acid and lake B has bases.

i would have picked the ones closest to 7 ,which is neutral, but I'm not sure that a base can be lower then 7 so I didn't pick answer C

7 0
4 years ago
Read 2 more answers
Flatworms, crabs , and starfish may all be classified as​
hichkok12 [17]
Invertebrates are what they can be classified as
5 0
4 years ago
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The Cordyceps fungus infects ants and make the ants act like what pop-culture type of undead creature?
devlian [24]

The Cordyceps fungus infects ants and make the ants act like pop-culture type of undead creature known as zombies.

<h3>What is Parasitism?</h3>

This is a relationship which one of the species benefit while the other doesn't in this case.

The Cordyceps fungus have a parasitic relationship with ants such that infects them and makes them look like zombies.

Read more about Parasitism here brainly.com/question/14461672

#SPJ1

5 0
2 years ago
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Explain the consequences of an increase of two degrees Fahrenheit.
kenny6666 [7]

Answer:I think it was The Heat waves can be dangerous, causing illnesses such as heat cramps and heat stroke, or even death. Warmer temperatures can also lead to a chain reaction of other changes around the world. That's because increasing air temperature also affects the oceans, weather patterns, snow and ice, and plants and animals

Explanation:

hope this helps have a nice night ❤️❤️❤️

4 0
3 years ago
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