Answer:
The correct answer is 4.ecosystem.
Explanation:
An ecosystem is a system, that is, a set of elements that interact with each other, in which such elements are: physical environment, living beings and their interactions (predator-prey, parasite-host, competition, symbiosis, pollination, distribution of seeds , etc.) The interrelation between living beings (competition, parasitism, etc.) occurs through cycles of matter and energy flows on which the functioning of the entire ecosystem depends.
Lit is a lichen,a combination of an algae and a fungi
Answer:
physical process of atoms or molecules moving apart within a gas or liquid.
Explanation:
The active site is <span> a site on the substrate molecule where specific enzyme molecules bind.</span>