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kupik [55]
3 years ago
9

What is one condition that must be met for a population to be in genetic equilibrium? A. There is nonrandom mating. B. There is

a large amount of gene flow. C. There is no genetic drift. D. There is a high mutation rate.
Biology
1 answer:
Ksenya-84 [330]3 years ago
3 0

Answer:

C. There is no genetic drift

Explanation:

A population is said to be in genetic equilibrium when the genetic variation of a population remains constant over many generations.

For a population to remain in genetic equilibrium it is necessary that external factors that disturb the equilibrium should not be present.

The external factors that are responsible for disturbing the genetic equilibrium are mutations, non-random mating, genetic drift and gene flow.

Genetic drift occurs when due to a chance event the allele frequency of a population either increases or decreases and this is usually common in small populations.

Thus, genetic drift should not occur so that the population can be in genetic equilibrium.

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<span>It picks and carries away loose surface material. Over time, the surface ground is lowered. Large rocks are left behind, forming a rocky surface that covers much of the land in dry regions.

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6 0
3 years ago
Primary targets for insulin action include all of the following except
Cloud [144]

Answer:

renal glucose reabsorption

Explanation:

4 0
3 years ago
You observe a plant on your windowsill that is growing at an angle toward the outside. This is an example of a living thing ____
katrin2010 [14]

Answer:

response to stimuli / tropism

Explanation:

The plants and animals always respond to stimuli. It is an innate character of all living things. When a bright light falls on the eye, it closes immediately. This is responding to the stimuli. When someone touches the leaves of touch-me-not plants it closes its leaves due to the external stimuli.

The plants respond to the light. Because it does photosynthesis in the presence of light. Therefore, the leaves and branches of the plants always bend towards the light. This process is called phototropism.

Similarly, the roots of the plants move towards gravity under the ground. This is called geotropism.

Besides phototropism and geotropism, other types of stimuli are there - hydrotropism(response to the water), chemotropism(response to certain chemicals).

That's why the plants growing on the windowsill move towards outside where light comes.

7 0
3 years ago
What is carrying capacity?
VARVARA [1.3K]

Answer:

The carrying ability of an ecosystem is the overall growth rate of a biological species that can be supported by that area, provided the available food, habitat, water, and other resources.

Explanation:

A pond populated briefly by ten turtles, for such, would be sustainable for the species' population.

7 0
2 years ago
Why are there no samples of rocks from the early Precambrian era?
xenn [34]

Answer:

The correct answer is -  D. All rocks were molten in that time period.

Explanation:

The early Precambrian era began 4.6 billion years ago. The formation of eath start from this era with dust and gas. The atmosphere at that time was too hot. It was like hades. The rocks were molten and appear to like an ocean of rocks.

Due to the molten rocks, there are no samples of rock from this area as it was too hot to be formed. There were boiling sulfur and gases were everywhere.

4 0
3 years ago
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