Answer:
Sexual reproduction is the process in which new organisms are created, by combining the genetic information from two individuals of different sexes.
Explanation:
The genetic information is carried on chromosomes within the nucleus of specialized sex cells called gametes.
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Answer:
A. Parasitism, because the flee is benefitting and the mammal is harmed.
Explanation:
Parasitism is when one organism which is a parasite lives on another which is the host, and gaining benefits from it and at the same time maiming havoc to it. Parasitism is common among living organisms. Animals are most times the host to a range of parasitic organisms which include viruses, bacteria, fungi,protozoa, also flea, tick, mites etc.
Parasites like fleas, tick and leeches live on the body surface of their host, which is make them ectoparasites while those that live inside their hosts are endoparasites.
There ain’t much context but I would say D. Because it expands the food chain to the 3rd consumer which, in my opinion, would complete an ecosystem
Catalase is an enzyme, a large protein that speeds up the rate of a chemical reaction. The optimum pH level of catalase is between pH 7 and pH 11. At a pH level lower or higher than this range, the catalase stops working.
