Answer:
B
Explanation:
XX is female they produce eggs. XY is male. they produce sperm
i think its D but i'm not 100% sure
Here, you go:
Answer:
<u><em>Generation of B Cells. The immune system is remarkable for its ability to respond to a great many antigens.</em></u>
Explanation:
<u><em>These cells make antibodies which defends and fights out viruses in our bodies.</em></u>
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<em>~Hope This Helps~</em>
So that there is more gene variation. Let's say if they all had the same genes, one specific disease would be fatal for the species' existence since they would all be the same. The diverse gene pool allows species to develop different characteristics that can help them defend against disease
Answer:
The average, year-after-year conditions of temperature, precipitation, winds, and cloud in an areas are known as its climate.
Hope this helps!! :)