B. Crab
is your answer
An crab has an exoskeleton
hope this helps
Normal:
Glucose
Rbc
NaCl
Amino acid
Plasma
Abnormal:
Albumin (protein)
Wbc
Remember that only small molecules can pass from the blood in the glomerular capillaries and this is cause they have thin walls
Answer:
The human population would eventually grow too large to be sufficiently supported by the food available.
Explanation:
He found that food production did not increase at an exponential rate but instead increased more slowly.
Bacteria can replicate themselves.