In the dichotomous key below what characteristics used to help identify the fish? How does the dichotomous help you identify the fish?

The number of living organisms in a particular area is

How do cells grow and reproduce to maintain homeostasis?

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand