WQ Lesson 7: Bioindicators

Site 2

Site 3

A.

To compare freshwater and saltwater organisms

B.

To count the number of organisms present

C.

To monitor water quality and biodiversity

D.

To analyze dominant species

Site 1

Site 2

Both

A.

Fish live for only a short period of time

B.

Fish live in the water for a shore portion of their life span

C.

Fish differ in their tolerance to the amount and type of pollution

D.

Fish are frequently moving through the different columns of water

A.

Increase in population and quality of the individuals

B.

Decrease in population and quality of the individuals

C.

They will reproduce at a lower rate but maintain population numbers

A.

The temp is too warm

B.

The temp is too cold

C.

pH is too high

D.

Dissolve O2 is too low

A.

Stream X; Dobsonfly larvae

B.

Stream W; Beetles

C.

Stream Z; Leeches

D.

Stream Y; Water Penny larvae

A.

endangered

B.

tolerant of only slight physical or chemical changes

C.

reached its carrying capacity

D.

not sensitive to slight physical or chemical changes

A.

Stream X; Dobsonfly larvae

B.

Stream W; Beetles

C.

Stream Z; Leeches

D.

Stream Y; Water Penny larvae

A.

Site 4

B.

Site 7

C.

Both