A population of deer mice was introduced into a desert ecosystem. Being dark-colored, the deer mice stood out in the sand and were easy prey for predators. Over a few years, the color of the mice changed from dark brown to light brown. What role does natural selection play in this example?
A.
The change of color camouflaged them, which helped them hunt better.
B.
The change of color enabled them to regulate their body temperature.
C.
The change of color allowed them to hide better from predators.
D.
The change of color made their bodies tolerant to the harsh desert sand.
E.
The change of color allowed them to deflect the excessive heat.

Answers

Answer 1

The answer is: C. The change of color allowed them to hide better from predators.

For animals who live in the desert environment, light brown color would be more beneficial for them since it is similar with the color of the sand that covered that area. This would make it harder for the predators to spot them, especially the predators who rely on their day vision to hunt.

Answer 2

Answer:

[C.] The change of color allowed them to hide better from predators.

Explanation:

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Related Questions

Prompt
What is your personal ideology? Give your opinion on the three following topics. Justify your support or opposition to each issue by using examples. Issue one: should the government have the right to place a high tax on soda to discourage its consumption and fight teen obesity? Issue two: should the government be allowed to monitor your actions on the internet to keep the nation safe from terrorism? Issue three: should the government be allowed to outlaw texting while driving to keep drivers safer on the road?

Answers

Issue one: The government should not have the right to issue a higher tax on carbonated drinks/soda to discourage teen obesity because it would be not alter the demand for these types of products. Say for example we use the supply, demand, quantity and price model, supply and quantity are unaffected in this model, whilst price goes up. When the price goes up, this would be an example of where demand does not decrease since the price would not deter people from purchasing it. With the amount of sodas that have to be regulated and how common they are to the everyday life, it'd be a waste of time. Furthermore, it is not the responsibility of the government to regulate personal choices done by the customers, it is their own choice if they choose to be healthy or not.

Issue two: The government does not have the right to monitor our actions on the internet to keep the nation safe from terrorism. The internet is a free market, a public entity supplied by public cooperations and access given by ISPs. The government's jurisdiction does not give them permission to monitor the internet as it could possibly fall under a violation of the fourth amendment. The ISPs, social media networks, and any other cooperation has the right to monitor actions as it'd be written out and agreed by the user in their terms of service, the government should not have involvement, only their intervention is required when a report is filed.

Issue three: The government should be allowed to outlaw texting while driving since it is a hazard to personal safety and the safety of others. The roads in the United States of America are mostly public, and texting while driving impairs the user's ability to react to incoming situations, whilst taking their focus off the road. Similar to drinking while driving, it only becomes an issue when the safety of others aside from your self is put at risk. In which case, I do believe the government has the right to outlaw texting while driving to keep drivers safer on the road.

A bacterium was found to contain a sequence of ATCGGGATCCT in its genome. A few generations later, the sequence was found to be ATCGGGGGGATCCT. What type of mutation caused this change in the bacteria?
A.
duplication
B.
insertion
C.
inversion
D.
translocation

Answers

Answer:

duplication

Explanation:

Inversion

If we talk about inversion, it inversion, it is a process in which a specific base sequence is inverted or rearranged in such a way that direction is reversed. For example: ABC is changed into BCA, therefore it is not right option.

Translocation

If we talk about translocation,it is caused by rearrangement of parts between non homologous chromosomes. It can be balanced or unbalanced but it involves two genes or two sets of chromosomes. But in our example, we have only one sequence of DNA under study, therefore, inversion is not possible.

Insertion

Talking about insertion, it involves addition of one or more nucleotide at certain position of gene sequence. There are chances that it can be an insertion of GGG but the insertion of three G instead of any random nucleotide addition or nucleotide sequence addition is rare. So, there are less chances that this is an insertion and more chances that this is an exact duplication event.

Duplication:

If we talk about duplication, a certain portion of a gene or chromosome is replicated or duplicated in such a way that it results in more than one copies of that region.

Keeping that definition infront, we see that GGG duplicated to GGGGGG. So, if we logically look at the question, duplication seems to be the most appropriate option.

Hope it help!

Answer:

duplication

Explanation:just did it and got it right.

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