Question

1. green algae can be aggressive, grow on the bottom of streams and dominate/take over the stream bed. the algae will dominate the ecosystem, killing other organisms that live on the bottom. what is the impact to the biodiversity of the stream if the green algae takes over?

a. the green algae will reduce (make less) the biodiversity of the stream
b. the green algae will increase the biodiversity of the stream
c. the green algae will neither reduce or increase the biodiversity because it lives on the bottom of the stream and no other living organisms live on the bottom.

Explanation:

The question states the aggressive green algae kills other bottom-dwelling organisms when it dominates. Biodiversity refers to the variety of living organisms in an ecosystem. If the algae kills other species, the number of different organisms in the stream decreases, reducing biodiversity.

Answer:

A. The green algae will reduce (make less) the biodiversity of the stream