Explanation:
villi are small finger like structures in the small intestine
Explanation:
Nitrates and ammonia resulting from nitrogen fixation are assimilated into the specific tissue compounds of algae and higher plants. Animals then ingest these algae and plants, converting them into their own body compounds. ... The action of these bacteria tends to deplete soil nitrates, forming free atmospheric nitrogen.
Through the actions of alleles
It’s to get all your different bones the right nutrients they need so they do get weak.
