Describe DNA double helix structure and how it is put together

What is the relation ship between structure and function in an organism

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

The distribution of related animals and plants across the world