Question

3.2.5 quiz: impact of humans on ecosystems
question 4 of 10
which two items cause disruptions in ecosystem stability and are a result of human activities?
a. bycatch
b. acid rain
c. ocean currents
d. nutrient cycling

Explanation:

Bycatch is a human - fishing related issue disrupting ecosystems. Acid rain is caused by human - made pollutants like sulfur dioxide and nitrogen oxides, affecting ecosystems. Ocean currents are natural and nutrient cycling is a natural ecological process, not mainly human - caused disruptors here.

Answer:

A. Bycatch, B. Acid rain