Unit 5 Freshwater Ecosystems Test

In the anatomy of a stream, the area where stream flow slows down and the water depth increases is known as a pool. Indicate whether the statement is true or false.

• True

• False

The temperature of a lake is consistent from the surface to the bottom. Indicate whether the statement is true or false.

• True

• False

The zones of a lake can be divided by light or temperature. Indicate whether the statement is true or false.

• True

• False

A lake is an example of a lotic system. Indicate whether the statement is true or false.

• True

• False

Lakes are large and deeper than ponds. Indicate whether the statement is true or false.

• True

• False

When an aquifer comes to the surface it is known as a spring. Indicate whether the statement is true or false.

• True

• False

Tags

NGSS.MS-ESS2-4

If two 2nd order streams merge, what order does the stream become?

• stays 2nd order

• becomes 3rd order

• becomes 4th order

• becomes 1st order

The bottom of first and second order streams are ____________.

• sandy

• rocky

• muddy

• smooth

Why is there a lack of plant growth in deep lakes?

• no food

• too many predators

• no sunlight

• too much dissolved oxygen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-5

NGSS.MS-LS2-1

In the anatomy of a stream, what is the area where the water is shallow, fast flowing, and agitated by rocks?

• pool

• riffle

• rapid

• run