How would you use "niche" in a sentence? this is one of my biology words?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Which of these statements is false? a. others may notice a problem with a relationship before the people involved. b. the first sign of a problem with a relationship is a feeling of anger. c. damaged relationships can be repaired. d. even good relationships can be damaged.

Describe the impact of deforestation of both abiotic and biotic factors within the tropical rainforest.