A population of rabbits lives in a forest. The habitat features many small spaces for hiding. Over many generations, the average size of the rabbits gets smaller and smaller. What type of selection is this?

Answers

Answer 1

Answer:

Answer: Directional Selection.

Explanation:

This process can be defined as the positive selection in which one phenotype is selected over the other phenotype, causing the allele frequency to shift towards the other phenotype.

The allele favored by directional selection is advantageous. There is a increase in the rate of reproduction and chances of survival.

Here, the population of rabbits are decreasing in size over a period of time because they adapted the burrows to live in. Gradually small size of the rabbits were favored.

This is an example of directional selection.

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Which of the following is NOT evidence of plate tectonics?1. distribution of fossils
2. location of earthquakes
3. rain forest depletion
4. the shape of the continents

Answers

Rain forest depletion is not evidence of plate tectonics.

• Plate tectonics is responsible for the distribution of fossils on distinct continents, for the continental and ocean floor features comprising volcanoes, mountains, trenches, and faults, for the occurrence of earthquakes, and the shape of the continents.

• On different continents, the fossils are identical to the fossils found on the continents, which were once connected.

• The majority of the oceanic and continental floor features are the outcome of the earthquake and geological activity along the plate boundaries.

• The depletion of rainforest is not a result of plate tectonics. The major reason for rainforest depletion are agriculture and fuelwood collection.

• Apart from this, some of the human activities like logging, mining, development of large dams and industry is also major cause of rainforest depletion.

Thus, rainforest depletion is not evidence of plate tectonics.

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Number 2 rain forest depletion.

A relationship in which one species consumes and the other is killed is known aspredation.
parasitism.
commensalism.
mutualism.

Answers

Predation

It can be explained in that way or also called Predatory/prey relationships.
Parasitism is when one is benefited and the other harmed (ie leech and human)
Commensalism is when one is benefited and the other not affected (Tree frog and rainforest tree)
Mutualism is when both are benefited (Bee eats honey and Flower is pollinated).

A relationship in which one species consumes and the other is killed is known as predation.

Which of the following is a primary function of the cell membrane? Choose 1 answer:

(Choice A) DNA replication

(Choice B) Protecting organelles

(Choice C) Protein synthesis

(Choice D) Filling space between cell organelles

Answers

Answer:

(Choice B) Protecting organelles

Explanation:

As it is outer most layer so it protect the cell and it's organelles.

Answer:

Protecting organelles

Explanation:

Explain Why, in winter, most of the meltwater produced by salting the roads will not infiltrate the soil

Answers

I'm guessing because salt is very soluble in water that it goes with the melt water. Even if it infiltrate to the soil, water still seeps through the soils and still the salt will dissolve in water and goes with water which will runoff to bodies of water.

A scientist attends an annual conference hosted by the American Medical Association. At which type of event is she most likely to hear a speech given by a world-famous surgeon?A. Keynote address
B. Panel discussion
C. Social gathering

Answers

A. Keynote address

In the Keynote address is most likely a world-famous surgeon would give his/her speech in order to motivate, inspire and challenge pursing scientists and medical professionals in their pursuit of their successful career and the like endeavors.

If a scientist attended an annual conference hosted by the American Medical Association, it's most likely that the event where he would hear a speech from a world-famous surgeon would be during the panel discussion - b.

This is the place where people who are very known often get their chance to speak.

the slash and burn system of deforestation reduces the number of oxygen producing and puts more carbon in the air

Answers

I think you wanted to know whether the statement in question is true or false. Based on this assumption, i am answering this question and hope that it helps you. It is absolutely true that the slash and burn system of deforestation reduces the number of oxygen producing and puts more carbon in the air.

Answer: True

Explanation: Slash and burn deforestation increases the amount of carbon-di-oxide as a result of combustion. The burning process releases carbon-di-oxide into the atmosphere this depletes the amount of the oxygen in the atmosphere. The trees that are cut down liberates oxygen during photosynthesis, there won't be oxygen from the deforested trees.

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