Question

The series of changes in an ecosystem that occur as older inhabitants die out and new organisms move in is known an ecological succession the type of succession that occurs on abandoned farmland is know. As old field succession.What is the most likely type of vegetation to appear first when a farm field is abandoned and why would this vegetation appear first?A. Lichens would appear first because they are small and hardy B. Mosses would appear first because they don’t need a lot of water C. Small shrubs would appear first because they don’t require a lot of room D. Annual weeds would appear first because their dormant seeds can sprout due to the environmental change immediately

Answer 1

A) This option cannot be, because lichens are very delicate organisms, what's more, they are used as indicators of ecosystem health, that is to say, they do not grow in contaminated areas or extremely anthropogenized.

B)This statement, is not correct, because in the first place mosses are organisms that require highly humid environments, and second, they do not tolerate well pollutants, like those that can be in farmland, that is to say, fertilizers, insecticides, etc.

C) This answer is partially correct, nonetheless must be approached carefully, because it is true that small shrubs would be the firsts to arrive, but not because of space, if not for their rapid growth and reproduction, as well as high tolerance to disturb.

D) This statement is correct, many anny