All plants are what? 1. Heterotrophs
2. Prokaryotes
3. Eukaryotes
4. Unicellular
pls help

What maintain homeostasis when a persons internal body temperature is 97.5°f

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion