<span>c. they secrete hormones that help control the ovarian cycle.
</span>
1. Evolve/Grow
2. Disappear
It's because they can survive and reproduce while the unfavorable die off and cannot reproduce, so their traits disappear from the gene pool.
<span>Despite their relatively small size, the kidneys receive about 20% of the heart's blood output for filtration.</span>
we need a graph to do this can u provide a picture?