What provides information at the species level

How are the cell walls of a plant and fungus different ?

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

What is the difference between how ionic and covalent bonds form