Answer:
Plasmodesmata
Explanation:
<em>Plasmodesmata</em> <em>(or gap junctions)</em> are tube-like structures that form between cells allowing flow of ions and water molecule between the cells.
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- <em>Ravenna</em>
A rainshadow occurs when prevailing winds carry moisture from the ocean, eastward over dry land, dropping precipitation on the windward side of a mountain range. Clouds are forced to rise over the range, causing the air to cool and drop its moisture.
Answer:
Mass extinctions happen because of climate change, asteroid impacts, massive volcanic eruptions or a combination of these causes. One famous mass extinction event is the one that lead to the extinction of dinosaurs, 65 million years ago.
Explanation:
