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Citrus2011 [14]
3 years ago
13

Which of these is true for artificial selection but not natural selection? Select one: A.Selection results in organisms that are

more useful for food. B.Genetic variation arises from mutations. C.Humans allow only organisms with favorable traits to reproduce. D. Scientists design new genes that confer favorable traits in a population.
Social Studies
1 answer:
Rus_ich [418]3 years ago
6 0

Answer: Option C

Explanation:

The artificial selection or selective breeding can be defined as the process by which the animals and plants are breed for a particular trait. The human beings only allows the favorable trait.

The male and female having desired characters are selected and mated to produce offspring which is fertile or can be sterile.

These opp spring can now reproduce in order to continue those characters. Some of the products of artificial selection is sterile as well. Example: Mule

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As a student, Anne spends 40 hours per week writing term papers and completing homework assignments. On one axis of her producti
bagirrra123 [75]

Answer:

she can switch between writing term papers and completing homework assignments at a constant rate.  

Explanation:

            Anne who is a student writes term papers and also does homework assignments. She usually spends 40 hours per week to do all these work.

            If her work can be represented graphically, one axis measures the number of terms of paper Anne has done in one week and the other axis represents the number of assignments work She had completed in a week.

            Now, Anne’s production possibilities frontier will represent a straight line when if Anne switches between doing  homework assignments and writing term papers at a constant rate.

           Thus the graph shows a straight line when both the work or processes are done at a constant rate together.

Therefore, the answer is ---

she can switch between writing term papers and completing homework assignments at a constant rate.  

7 0
4 years ago
The discovery of Lake Vostok led scientists to ask many questions. How did the lake form? Does anything live in the lake? If so,
Luden [163]

Answer:

See explanation

Explanation:

Subglacial Lake Vostok is a lake occupying a topographic hollow beneath the Antarctic Ice Sheet. Water occurs at high pressure beneath the Antarctic Ice Sheet and accumulates in topographic hollows. This hollow may have formed during pre-glacial or glacial times and is tectonically controlled. There were organisms known for living in salt water, fresh water, super-hot water and even in the guts and other body parts of tube worms, fish and other animals. There were low amounts of genetic material that appeared to come from animals such as a microscopic crustacean, a marine bivalve and a small sea anemone.  Almost 4 km beneath the East-Antarctic ice sheet, Lake Vostok, a vast freshwater lake was discovered 1996 by using ice-penetrating radar and artificial seismic waves. Lake Vostok is the oldest, most pristine lake in the world and it never has been disturbed by humankind yet. It is one of more than 70 lakes, which have been identified under the Antarctic ice sheet. Scientists estimate Lake Vostok''s age at 35 million years.

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2 years ago
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Kaylis [27]

Answer:

teenagers

Explanation:

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3 years ago
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Montano1993 [528]
How they act, if they cannot stand still, behavior
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4 years ago
If you were going to fly from Georgia to Australia and cross over the Atlantic Ocean in the process, in what direction would you
dexar [7]
You'd fly east. Use your brain you little wanker.
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3 years ago
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