17) Where does the carbon come from that builds the leaves
and structures of a plant?

Look at the punnett square for an x-linked recessive disease. is it possible for a female offspring to have the disease?

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

What did hunter gathers do to alter the environment?