All categories

3 years ago

Which of the following is not a requirement of natural selection?

Biology

1 answer:

yKpoI14uk [10]3 years ago

8 0

Answer: catastrophic events.

Explanation:

Several factors besides Natural Selection, such as gene flow, mutations, and genetic drift promote the evolution of populations, but only Natural Selection results in adaptations. Natural selection can explain the adaptation and specialization of living beings and depends on the existence of reproduction, heritable phenotypic variation, to some degree, and especially the difference of fitness among individuals. Reproductive differential and/or mortality favors certain genotypes over generations and may lead to loss or fixation of alleles over time within populations. Natural selection can act in different ways, depending on the variants phenotypic phenomena and the adaptive values associated with them, which may be disruptive, directional or stabilizing. Based in this, we can affim the catastrophic events are not required for natural selction to occur.

You might be interested in

How much energy is produced when the sun

adell [148]

Answer:

$E=1.53\times 10^{17}\ J$

Explanation:

We need to find the energy produced when Sun converts 1.7 kg of mass into energy. Einstein's mass energy relation is given by :

$E=mc^2$

c is speed of light

$E=1.7\times (3\times 10^8)^2\\\\E=1.53\times 10^{17}\ J$

So, energy produced is $1.53\times 10^{17}\ J$ .

7 0

3 years ago

Before starch can enter a cell it must be digested to form simple sugars. Why?

Nataliya [291]

Starch is a high molecular weight substance; therefore, it is insoluble to our cells. It needs to be broken down to simple sugars like glucose in order for it to be dissolved/absorbed in our blood. This is because simple sugars has smaller molecular weights and are more soluble.

5 0

3 years ago

What are the anatomical features of the stomach that support digestion

labwork [276]

Answer:

rugae or gastric folds

Explanation:

not totally sure but i think so

4 0

2 years ago

The period of growth in between cell divisions is called

Musya8 [376]

<span>The period of growth in between cell divisions is called . The cell cycle is the series of phases a cell goes through as it grows and divides. The division of the cell nucleus during the M phase of the cell cycle is called . During the G1 phase cells mostly grow.</span>

7 0

3 years ago

Read 2 more answers

So meiosis produces egg or sperm

ollegr [7]

The answer is eggs
it produces eggs

3 0

3 years ago

Read 2 more answers