a. it limits water loss through transpiration
The stomata are small openings in epidermis (found on the leaf) that allow carbon dioxide, water, and oxygen to enter and exit the leaf. Transpiration is water movement, including evaporation, in a plant. So just think about it. If it's a hot, sunny day, wouldn't it make sense for the plant to keep its stomata closed so that it doesn't lose water through evaporation? The cacti would close it during the day and leave it open at night since the sun isn't out, and therefore wouldn't lose as much water. Hope this helped :)
The two upper chambers of the heart are the ATRIA and the two lower chambers are the VENTRICLES.
Answer:
The properties of soil are dependent only on nonliving components.
Explanation:
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Left and right ventricles-Chambers where blood is pumped to your body through your arteries.
Mitral valve- the mitral valve controls the flow of oxygen-rich blood from the left atrium to the left ventricle
Answer: A pedigree chart displays a family tree, and shows the members of the family who are affected by a genetic trait. This chart shows four generations of a family with four individuals who are affected by a form of colorblindness. Circles represent females and squares represent males.
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