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Len [333]
3 years ago
9

Which of the following does NOT increase genetic variation in a population?

Biology
2 answers:
Crazy boy [7]3 years ago
6 0

Answer:

B) mitosis on edge.

slega [8]3 years ago
4 0
D is the answer. Mutations can cause MANY problems. 
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Fossils show that ancestors of the giraffe had shorter necks than the modern giraffe. The evolution of the modern giraffe may be
MaRussiya [10]

Answer:

B. Directional selection

Explanation:

When natural selection starts to choose one phenotypes that is an extreme (as in, a really small neck or a really long neck), this is an example of <u>directional selection.</u> It makes sense for giraffes to have evolved this way, because the longer the neck, the more ably they can eat food from high branches. The more food they could get, the more chance of reproduction, the more "evolutionarily fit" they are.

Stabilizing selection is when national selection picks average phenotypes (like a medium-sized neck). Disruptive selection is when the extremes are both picked (like all the medium-sized neck giraffes die, and two different species start to emerge). Sexual selection is picking a mate based on traits. Clearly, those answers don't work here.

8 0
3 years ago
Kingdoms are a more specific (less broad) category in the taxonomic hierarchy.
gregori [183]

Answer:

a

Explanation:

According to the taxonomical hierarchy, the kingdom is the highest category in biological classification. It is a group of closely related organisms.  

Kingdom - Phylum -Class - Order -Family - Genus -Species.

4 0
2 years ago
Read 2 more answers
Researchers at the University of Georgia have evaluated trends in streamside forests in areas within roughly 400 feet of the sta
SIZIF [17.4K]
Answer - <span>C) Trees and shrubs provide shade, which keeps the water temperature cooler. Lower temperatures allow the water to hold more oxygen, which in turn creates a healthier habitat for the trout.</span>

Reasoning - The back story is if the water temperature is being changed. It will affect the trout indirectly warming the water. In turn if you have shades and shrubs to provide it for cooler areas it will preserve O2 a Certain Habitat for the Species.

3 0
3 years ago
Read 2 more answers
6) In Medieval times a ruler told the peasants that they were free to take anything from the forest that had fallen, branches, t
solniwko [45]

Answer:

Due to lack of nutrients in the soil.

Explanation:

Within a few years the forest was dying because there is no nutrient is present in the soil which can trigger the growth and development of the sol. The fallen parts of trees such as branches, tree and leaves etc are decomposed by decomposers such as bacteria and fungi which turn the fallen materials into nitrogenous materials which can be used by the plant for its growth and development.

7 0
3 years ago
Which of the following does NOT happen during the light-dependent reactions of
tekilochka [14]

Answer:

Glucose

Explanation:

Only glucose is produced in the light independent stage of the reaction

5 0
2 years ago
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