Fossil records are one of several pieces of evidence that support evolutionary theory. we would expect to find a fossil like the ginkgo leaf, seen here, in rock layers above strata containing fossilized moss species but below strata containing fossilized

C)flowering plants or angiosperms.

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.