List one thing that has evolved over the years, how did it evolve & what did it gain/lose as it evolved?

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

Which statement best compares aerobic and anaerobic respiration

Why should organisms reproduce more offspring than will survive? select all that apply.