What does a completely filled circle represent on a pedigree chart? a female carrier of a disease a male carrier of a disease a female with a disease a male with a disease

its c i hope this helps

a physical change is being made.

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