We had a good relationship we love Cuban women<span />
The correct answer is B; Adaptive theory.
Further Explanation:
The adaptive theory is also known as the evolution theory. Sleep is thought to be an evolution and that when a person is sleeping their body is conserving the energy that they need to function. This theory beleives that all humans and other species have evolved throughout time and only sleep when it is hazardous to their life.
Research has shown that animals that all animals who have only a a few natural predators will sleep up to 15 hours a day. The animals who have numerous predators will sleep only a few hours, up to five hours, a day.
There are four theories of why we sleep, they are;
- Repair and Restoration Theory
- Evolutionary Theory (adaptive)
- Information Consolidation Theory
- The Clean-Up Theory
Learn more about sleep theories at brainly.com/question/13044986
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Answer:
Photosynthesis is not the primary function of stem. It is a function of leaves. Whereas, conduction of water and minerals from roots to other parts, formation of branches, bearing flowers and fruits and holding the plant upright are main functions of a stem.
Explanation:
The primary functions of the stem are to support the leaves; to conduct water and minerals to the leaves, where they can be converted into usable products by photosynthesis; and to transport these products from the leaves to other parts of the plant, including the roots.
<span>What did Comanche culture center on?
</span><span>B.hunting and war
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