Studying fossils gives scientists clues for all of the following except

a: the amount of protein in the extinct amimals diet
b: how living things change over time
c: the type of environment an extinct animal lived in
d: how extinct animals bodies functioned

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.

Match the types of competition to their descriptions

What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b. a light particle