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3 years ago

Why is variation important for natural selection

Biology

1 answer:

defon3 years ago

4 0

Explanation:

genetic variation is important as it allowed natural selection to increase or decrease frequency of alleles already in the population. its also important to a population because it enables some individuals to adapt to the environment while maintaining the survival of the population.

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If a cell takes in water and expands it is known as a

tigry1 [53]

Answer:

a hypertonic cell

Explanation:

if it is a hypertonic cell it will expand

3 0

2 years ago

Read 2 more answers

N NaO2, what does the 2 represent?

Viktor [21]

Answer:

In the element (<u>n Na20)</u> the <em>2 </em>means that there are 2 oxygen atoms in the Sodium Oxide.

7 0

3 years ago

A 35 kg child moves with uniform circular motion while riding a horse on a carousel. The horse is 3.2 m from the carousel's axis

Andrews [41]

<h2>Hello!</h2>

The answer is:

b. $\frac{2.11m}{s^{2}}$

The centripetal acceleration or radial acceleration is present when an object is moving to describe a circular path. The centripetal acceleration is always perpendicular to the direction of the velocity and going inwards and towards the center.

The centripetal acceleration can be calculated using the following equation:

$CentripetalAcceleration=\frac{v^{2}}{RadiusOfMotion}$

From the statement we know that:

$v=TangentialSpeed=\frac{2.6m}{s} \\R=3.2m$

So, calculating we have:

$CentripetalAcceleration=\frac{{2.6^{2} \frac{m}{s} }}{3.2m}=\frac{{6.76\frac{m}{s} }}{3.2m}=\frac{2.11m}{s^{2} }$

So, the correct answer is:

b. $\frac{2.11m}{s^{2}}$

Have a nice day!

8 0

3 years ago

Foods that have been subjected to any process such as addition of additives, milling, or cooking are called _____ foods.

drek231 [11]

the answer is processed

4 0

3 years ago

What is the carrying capacity of an ecosystem for a given population

Oksi-84 [34.3K]

Answer:

The <u>carrying capacity</u> is the average species population size in a given ecosystem. This can be limited however by different environmental factors like availability of food, water, or shelter.

Explanation:

8 0

3 years ago