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2 years ago

Explain the adaptive-inactivity theory of sleep.

2 answers:

7 0

One of the earliest theories of sleep, sometimes called the adaptive or evolutionary theory, suggests that inactivity at night is an adaptation that served a survival function by keeping organisms out of harm's way at times when they would be particularly vulnerable.

mel-nik [20]2 years ago

5 0

Answer:

Adaptive theory of sleep is also called as evolutionary theory which states that period of inactivity evolved as a means of conservation of energy.

According to the adaptive inactivity theory of sleep all species have a adopted tendency to sleep at the time period when waking is dangerous for the species.

It says that sleeping is necessary and it is a strategy of the body to conserve energy in order to stay energetic and healthy.

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3 years ago

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The correct answer is -

A: Prophase (top left)

B: Cytokinesis (top middle)

C :Interphase (top right)

D :Telophase (bottom left)

E: Metaphase (bottom middle)

F: Anaphase (bottom right)

Explanation:

A. prophse - the first stage of mitosis, in this pahse the chromatin which is DNA and proteins, condenses in nucleus.

B. Cytokinesis - It is the physical sepration or dividion of cytoplasm of the parental cell.

C. Interphase - This phase have no change in cell except its size as it grows and enlarges itself.

D. Telophase - formation of a nuclear membrane around chromosome set to separate the genetic material from the cytoplasm.

E. Metaphase - visible chromosomes, removal of nucleus and chromosomes present in cytoplasm.

F. Anaphase - replicated chromosomes are separated and move towards opposite poles.

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3 years ago