How do observations relate to hypothesis

In what for do plants utilize nitrogen? why do they need nitrogen?

Question 1 of 102 pointswhich best describes adaptive radiation? oa. geographical isolation caused by an adaptationob. biodiversity resulting from few ancestorsoc. a decrease in the rate of speciationd. adaptations that organisms teach each other

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups