nitrogen comes from an air that is called fractional distillation.
C. is the answer because there us mutualism between both species.
Answer:
75% one eye, 25% two eyes (or 3:1 one eye: two eye)
Explanation:
The cross between the two trolls are shown in the attached punnett square
Ee x Ee gives 3 genotypes: EE, Ee, and ee
at a ratio of :1 EE: 2 Ee: 1 ee
Ee and EE are both one eye genotypes, so the <em>phenotype </em>is 3:1 one eye to two eye.
He observed 15 different finch species that originated as one ancestral bird. all differing in body shape, beak size, and mating habbits