What happens if an organism with a specific trait does not produce more offspring? A. The organism will move to a different environment.

B. The organism will go extinct.

C. That trait will be passed to future offspring.

D. That trait will not be passed to future offspring.

Nucleic acid certain protein cell membranes certain carbohydrates

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.