Names of cells similar to the mitochondria?

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 was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

What two factors does carrying capacity compare? population size and resource use population growth and resource availability resource use and time population size and time