The ability of your body to maintain internal conditions such as temperature ?

a. digestion
b. respiration
c. photosynthesis
d. homeostasis

Which of the four major uses is predicted to change the least by 2020?

Which best describes carbon dioxide’s path out of the body

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different