They are reactants because they are present before the reaction.
Answer:
The answer is D.
Explanation:
Autotrophs are known as producers which gets energy from sunlight and produces their own food.
Answer:
Clearance of microorganisms and particulate antigens from the blood stream.
Synthesis of immunoglobulin G (IgG), properdin (an essential component of the alternate pathway of complement activation), and tuftsin (an immunostimulatory tetrapeptide)
Removal of abnormal red blood cells (RBCs)
Explanation:
What? is this for points or?
Answer:
genrally it includes the population ,community, ecosystem,and biosphere .An ecosystem is all the living things in an area interacting with all of the abiotic parts of environment