The structure of the mature sperm contains a tail, middle section having mitochondria and a head part. The tip of the head part contains <u>acrosome </u>and nucleus. The sperm at maturity, contains a cap like structure at the anterior end. It is termed as acrosome. In this structure, enzymes are present which help the sperm to penetrate into the egg for fertilization. The acrosome allows the plasma membranes of both the cells to fuse and fertilization takes place.
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8. Microevolution
9. Net movement of alleles from one population to another.
The first box is migration
The second box is the northern regions have become warmer because of climate change
Answer:
Putting a piece of paper on it, can reveal the lipids or grease from the food. Starch foods contain large amounts of protein and amino acids.
Explanation: