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OLEGan [10]
3 years ago
5

Explain why natural selection cannot occur in a population that has no variation in traits.

Biology
1 answer:
Ann [662]3 years ago
6 0

In any population, members have slight differences among them, whether in height, eyesight acuity, beak shape, rate of egg production, or other traits that may affect survival and reproduction. If a trait has a genetic basis, it can be passed on to offspring helping the terms of natural selection.

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Which of the following statements best describes the structure and function of a carbohydrate?
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Carbohydrate is one of the most essential molecules in regulating the bodily activities. This contains hydrogen to oxygen ratio of 2:1. One of its purposes is to provide energy.
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Whats yalls fav color
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amethyst, mauve, lilac, burgundy, byzantine, glacous, periwinkle, sage green

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5) Explain in your own words, what each of the following are:
Ludmilka [50]

Answer:

a.)<u>fault</u>:A fault is a planar crack or discontinuity in a volume of rock over which rock-mass motions have caused considerable displacement.

b.)<u>focus</u>:The focus is on the location where an earthquake begins deep under the Earth's crust.

c.)<u>epicenter</u>:The epicenter of an earthquake is the point on the earth's surface that is vertically above the epicenter.

d.)<u>seismic waves</u>:Seismic waves are elastic waves that occur in the ground as a result of an earthquake or other natural occurrence.

Explanation:

Hope this helps!

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5 0
3 years ago
Which of the following statements about glycogen is false?
timurjin [86]

Answer:

The answer is letter A.

Explanation:

The false statement about glycogen is UDP–glucose is produced from glycogen by the action of the enzyme phosphorylase Glycogen is a polymer of glucose in alpha(1->4) linkages with alpha(1->6) linked branches every 8–14 residues.

5 0
3 years ago
What is intramembranous ossification? a. the formation of bone from preexisting hyaline cartilage models b. the formation of bon
Stolb23 [73]

Answer:

c. the formation of bone from within fibrous membranes

Explanation:

On the basis of formation ossification process is divided into two types:

1) Endochondral ossification : The process by which bone is formed from haline cartilage.

2) Intramembranous ossification : The process by which bone is formed by replacing a fibrous membrane and not from cartilage. This type of ossification occurs as follows :

  • An ossification center appears in the fibrous connective tissue membrane.
  • Bone matrix is secreted within fibrous membrane
  • Woven bone and periosteum forms.
  • Bone collar of compact bone forms and red marrow appears.

Hence option c. the formation of bone from within fibrous membranes is the right option

5 0
3 years ago
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