Tress and plant release carbon and respiratory
So they can defend themselves
This is called incomplete dominance. When an something is heterozygous for an incomplete dominant gene, the resulting phenotype will be somewhere between the two. For example if a plant has a tall allele and a short one, but neither shows complete dominance over the other, the plant height will be somewhere in the middle.
Answer:
Little to no oxygen
Explanation:
Little to no oxygen is a theory that hypothesize about the conditions of Earth's early atmosphere.
