I think it would be A. Because plants have bacteria on their roots that take the free nitrogen in the air from the soil and turn it into usable nitrogen. Animals could get usable nitrogen from eating plants since they have bacteria that make it. Then if an animal eats an animal that ate the plant, then it could get that nitrogen. But i am not completely sure though. I just learned this recently. I hope this helped :)
Answer:
UAGGCUAA
Explanation:
UAGGCUAA
Explanation:
First, think about which base pairs arise in complementary strands of DNA:
, think about which base pairs arise in complementary stra
Which phrase best describes scientific theories?
a.explain few observations
b.serve as speculations
c.are never proven
d. cannot be replaced
Biology
The human retina is composed of 10 layers. Beginning from back to the front of the retina, the layers include; an epithelium of retinal pigments, a layer of cones and rods, an outer regulating membrane, an outer nuclear layer, an outer plexform layer, an inner nuclear layer, an inner plexform layer, a layer of ganglion cells, a. layer of nerve fibre and an inner regulating membrane.