Breathing is usually controlled subconsciously by the respiratory center at the base of the brain. Breathing continues during sleep and usually even when a person is unconscious. People can also control their breathing when they wish, for example during speech, singing, or voluntary breath holding.
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Do you have choices to choose from? If mechanical weathering is in the choices (if you have them) then it would be mechanical weathering
Answer:
has no nucleus; found in unicellular organisms
Explanation:
<span>The answer is to control the crossing of the traits.
The idea of preventing plants from self-pollinating is to control the crossing of the traits. If plants were self-pollinating, he could not know if the traits are inherited from the same plant or from the other. By preventing this, he could cross parents with known phenotype and that way learn about crossing process and inheriting process.</span>
The appropriate answer is b. turgor pressure. Turgor pressure is also known as hydrostatic pressure and is the force of the water inside the cell of the plant that pushes the cell membrane against the cell wall. When this force is strong the cell or the plant is said to be turgid. This pressure is maintained by the process of osmosis.
Plants react differently to the stimulus of light. They will grow or turn leaves towards light.
