Answer:
Sperm is the male reproductive cell, or gamete, in anisogamous forms of sexual reproduction. : )
A type of diagram that shows how energy moves in a ecosystem is a food chain
Answer:
Cell membranes are composed primarily of fatty-acid-based lipids and proteins.
Explanation:
Answer:
C. 65 million years ago
Explanation:
The current locations of the continents and their modern day inhabitants, including humans, can be traced to this period.
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