Question: Choose your answer.

Which function do kidneys provide to maintain homeostasis?
My Answer: the removal of nitrogenous wastes from the blood

Question: Choose your answer.

Which type of organism would most likely benefit directly from increased levels of CO_{2}?
My Answer: tree

Question: Choose your answer.

Which cell can survive without the help of other cells?
My Answer: yeast cell

Question: Choose your answer.

The atomic mass of an atom is
My Answer:
the sum of protons and neutrons.