What is "nature"? what is the "environment"? and how does Aina fit into these two concept?

Ture or false evidence for evolution includes millions of fossils

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

Match the following items 1. rr 2. rr 3. identical alleles 4. unlike alleles 5. rr ()homozygous, recessive ()homozygous definition ()heterozygous, dominant cell ()heterozygous definition () homozygous, dominant cell