Biotic and abiotic factors make up an ecosystem. To survive, biotic factors need abiotic factors
Organs<span> that aid in the process of </span>digestion<span> but </span>never <span>touch the </span>food<span> product.</span>
Amount of material that has not decayed
Answer;
The above statement is true
Explanation;
-Complement is a system of plasma proteins that can be activated directly by pathogens or indirectly by pathogen-bound antibody, leading to a cascade of reactions that occurs on the surface of pathogens and generates active components with various effector functions.
-C3b is the larger of two elements formed by the cleavage of complement component 3, and is considered an important part of the innate immune system. C3b is potent in opsonization: tagging pathogens, immune complexes (antigen-antibody), and apoptotic cells for phagocytosis.
