An opossum’s ability to play dead when approached by a predator is an example of a what mutation?

1 answer:

4 0

It is a behavioral adaptation.

There are three types of adaptations:
Structural - body parts that help it survive (e.g. color, size, shape)
Physiological - systems present in an organism that allow it a special feature (e.g. venom, skin color changes)
Behavioral - an action that allows the organism to better survive

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What is a group of cells working together called?

anyanavicka [17]

Salutations!

A group of cells working together are called tissues. Organisms are made up of this structure. Cells are the smallest unit of life. A group of tissues working together is called organ. A group of organs working together is called organ system. An organ system working together makes up an organism.

Hope I helped (:

Have a great day!

6 0

3 years ago

During which period did modern humans evolve?

IgorC [24]

I believe it would be the Quaternary period.<span />

3 0

4 years ago

Which are repeated, cyclic behavior patterns related to external stimuli? Check all that apply.

MakcuM [25]

Ohibemating and Omigrating

Explanation:

Hibernating and migrating are repeated, cyclic behavior patterns related to external stimuli.

Because hibernation is a behavior of yearly cycle.

It is a state when a body of animal start processing slower as compared to before because there is fall in their body temperature.

Similarly migration occurs when climate of particular region becomes uncomfortable for some species , they migrate from there. Like birds, when they do not get water because of hotness or dryness in the weather, they all migrate to the place for enough water.

Hence, option 'C and 'E' are correct.

6 0

4 years ago

You are asked to give a classroom demonstration of DNA supercoiling. To do so, you take two different colored pieces of rubber t

lesantik [10]

Answer: topoisomerases

Explanation:

Topoisomerases are enzymes that help overwind or underwind DNA. DNA double helix has high tedency to get winded again because of its structural characeristics.

During replication and transcription of DNA, DNA gets overwound in front of a replication fork. This enzyme stops the double helix of DNA from becoming too tightly bound in front of the replication fork as the DNA opens.

The given demonstartion shows the action of topoisomerases as it shows unwinding of of supercoiled strands of pipe (DNA), which is don eby topoisomerases in the DNA replication process.

Hence, the correct answer is topoisomerases.

3 0

4 years ago

________ involves the detection of physical stimuli from our environment and is made possible by the activation of specific rece

Mars2501 [29]

Answer:

Sensation

Explanation:

A sensation can be usually defined as the feeling or a perception that can be felt by touching something physically. It takes place when any object comes in contact with the body.

It enables a person to detect the physical stimuli, which is possible with the help of the specific type of receptor cells that gets activated while touching an object.

This sensation can be felt by different sense organs, sensory nerves and other stimuli.

7 0

4 years ago