Answer:
D. The digestive system breaks food down into the molecules that can be used in respiration.
Explanation:
Their function is to prevent water getting out and stopping
To regulate the condition of the endometrium of the uterus
Answer: i think it is c and b but im not sure
Explanation:
Prothallus represents a gametophyte in the life cycle of fern.
A prothallium, or prothallus<span> (from Latin pro = forwards and Greek θαλλος (thallos) = twig) is usually the gametophyte stage in the life of a fern or other pteridophyte. Occasionally the term is also used to describe the young gametophyte of a liverwort or peat moss as well.
so the answer should be prothallus</span>