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Alexxandr [17]
3 years ago
12

Random changes in the gene pool of a small population

Biology
2 answers:
Viefleur [7K]3 years ago
7 0

gene flow or genetic drift can cause changes   in a population

Marina86 [1]3 years ago
6 0

It's called genetic drift: when changes in the alleles of a population are altered due to chance. For example:

There's a population of red beetles. A couple of the beetles are blue due to a genetic mutation. Suddenly, an elephant steps on the beetles, which, coincidentally, most of which were red. This resulted in more blue beetles than red, and after a few generations, mist other beetles are blue, and only a few are red.

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Answer: population

Explanation:

because they are the same it cant be commuintiy

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3 years ago
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Dafna1 [17]
Since IDK which two you would choose, I'll just list all of them: fish have developed a light, streamlined body to get through water quickly to evade predators with and swim with ease, owls have big eyes so their pupils can get enough light to see in the dark since they're nocturnal, their light bodies and special (Fluffy???) flight feathers let it fly with virtually no sound, allowing it to sneak up on prey, tortoises have a large, hard shell for protection from predators and provides a mobile home on their back! Bats may be practically blind but that doesn't stop them when using echolocation to detect prey and chase it no matter what moves they make or obstacles in the way, snowshoe hares have big feet to sit on top of the snow in the cold winters where they live, their fur also changes colors as the snow melts and the plants start coming back in the more warmer seasons, poison dart frogs, sorry, IDK, cacti have developed spines all over them as self defense, (from what IDK) and they can last a long time without water (I think, don't quote me on that ^^') hope this helps
5 0
3 years ago
What is the best example of how the nervous system maintains homeostasis?
Blizzard [7]
I'm not sure if it's the "best" example but.

If your blood tempature is low, the hypothalamus will issues reflex commands that make your body shiver. If you are hot, you will sweat is the opposite of this.

Another example is, if your blood contains pyrokines then you might have an infection so you begin to run a fever as your body's way to kill the pathogen at the direction of the hypothalamus.

Hope these examples help!
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3 years ago
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stepladder [879]

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viktelen [127]

Answer:

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Explanation:

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