Helppp just these two questionsss 14) Which statement is incorrect?

A) an ecosystem is a smaller part of the biosphere.

B) an ecosystem consists of abiotic and biotic factors.

C) the living and non-living things in an ecosystem interact with each other in a self- sustaining way.

D) an ecosystem a group of living things of the same kind or species, living in the same place at the same time.

15) which of the following is not a relationship between different species?

A) mutualism
B) commensalism
C) parasitism
D) collaboration