There could be a lot of reasons. To help break down food for the plants, kill off bad and harmful things that might damage the plant.
I had to take a screenshot of my response since it was getting flagged for being inappropriate for some reason.
Answer:
Their nephron loop is closely wrapped with vasa recta.
Explanation:
Cortical nephrons are located in the cortex.
They form 85% of all the nephrons in the kidney. They are located mostly within superficial cortex of kidney. The loop of henle of a cortical nephron is relatively short and hence not closely wrapped with vasa recta. Efferent arteriole delivers blood to a network of peritubular capillaries.
So following the octet rule, carbon atom can only form a maximum of 4 bonds because, by then, it will have 8 valence electrons.
C) As the trait will then pass to others without it and through natural selection will become abundant
