Answer:
correct. so it's TRUE. if this is a true of false question. the more you are exposed to it the more likely you will get it.
Just like any ecosystem, a self-sustaining ecosystem needs light for primary production and nutrient cycling. The environment must find an ecological balance and be able to support the survival and reproduction of all organisms living inside it
A community of organisms would have a down fall due to an unbalance in the food chain. Since a Grizzly bear is a third tropic level consumer, there would be an increase in tertiary consumers. This would then cause all the other level in a decrease in population due to over eaten.
Ribosomes have no membrane and have 2 sub units. Remember, stay in drugs, don't do vegetables, and eat your school.
