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Elena L [17]
2 years ago
7

A student has written a paper about a deer population that was separated when a canyon developed between members of the group. I

n her paper, she showed that the two groups adapted differently and can no longer interbreed. What would be the best title for her paper?
Speciation by Geographic Isolation
Speciation by Reproductive Isolation
How Natural Selection Creates Species
How Adaptation Creates Species
Biology
2 answers:
Lera25 [3.4K]2 years ago
9 0

The answer is speciation by geographic isolation. When the population of a species gets separated due to reasons such as continental drift, mountains, canyons, etc. then each separated group of population may survive and adapt to their respective environment leading to speciation. These barriers do not allow the evolving populations to interbreed initially and over time when they evolve into different species they become completely reproductively isolated.

Murrr4er [49]2 years ago
4 0

Answer:

The answer is A

Explanation:

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2 years ago
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A yellow female Labrador retriever was mated with a brown male. Half of the puppies were brown, and half were yellow. Explain ho
Over [174]

Answer:

The first male was bb Ee, and the second male was bb EE.

Explanation:

In Labradors coat colour is controlled by two genes. Suppose the two genes are B and E. B produces black colour and recessive form bb gives brown colour. Gene E is epistatic over gene B in its recessive form which means that ee will produce yellow colour regardless of the genotype present of B gene.

The first case is possible if the female lab is bbee (yellow) and the male lab is bbEe (brown):

bbee X bbEe

        bE      be

be  bbEe    bbee

So half of the offspring will be brown (bbEe) and half of them will be yellow (bbee)

The second case is possible if the same female bbee mates with a brown male of different genotype which can be bbEE:

bbee X bbEE

         bE

be   bbEe

So all offspring will be brown (bbEe)

Hence, the first male was bbEe and the second male was bbEE.

6 0
2 years ago
Two nutrient solutions are maintained at the same pH. Actively respiring mitochondria are isolated and placed into each of the t
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Answer:

Explanation:

A is correct because energy from electrons from oxygen are used to pump the H+ (as well as electrons from NADH) It's not D because glycolysis happens both in absence and presence of oxygen and never uses O2 so glycolysis is the same in both processes, its what happens after glycolysis that is dependent on the availability of oxygen (oxidative phosphorylation or fermentation)

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What are the important plants in agriscience?
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Answer:  Major grain crops are corn, wheat, barley, oats, rye, rice, sorghum, and soybeans. Less than 10 percent of the corn grown in the U.S. is for human consumption. Legume plants such as dry beans and peas are important foods in the diet of many Americans and people around the world.

Explanation:

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On a trip to the beach, Jacob noticed many signs that read "Keep off dunes." His mother told him that walking or digging on the
rodikova [14]

Answer:

C

Explanation:

The roots of the grass hold the dunes together

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