Holt Environmental Science Chapter 7 Section 1

Pick the letter of the term or phrase that best matches

the description.

marine ecosystem

• a. temperature

• b. coral reef

• c. pond

• d. benthos

• e. nekton

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Pick the letter of the term or phrase that best matches

the description.

bottom-dwelling organisms

• a. temperature

• b. coral reef

• c. pond

• d. benthos

• e. nekton

Pick the letter of the term or phrase that best matches

the description.

factor that determines where aquatic organisms live

• a. temperature

• b. coral reef

• c. pond

• d. benthos

• e. nekton

Pick the letter of the term or phrase that best matches

the description.

free-swimming organisms

• a. temperature

• b. coral reef

• c. pond

• d. benthos

• e. nekton

Pick the letter of the term or phrase that best matches

the description.

freshwater ecosystem

• a. temperature

• b. coral reef

• c. pond

• d. benthos

• e. nekton

Swamps are commonly found on

• a. rocky hillsides.

• b. flat, poorly drained land.

• c. mountain peaks.

• d. bottoms of ponds or lakes.

The type of plankton that produces most of the food in an aquatic ecosystem is called

• a. nekton.

• b. benthos.

• c. phytoplankton.

• d. zooplankton.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In which aquatic zone would you be likely to find cattails and reeds?

• a. littoral

• b. eutrophic

• c. benthic

• d. none of the above

What are the two main types of freshwater wetlands?

• a. lakes and ponds

• b. rivers and streams

• c. littoral zones and benthic zones

• d. marshes and swamps

Which ecosystem has the highest level of salinity?

• a. salt marsh

• b. brackish marsh

• c. river

• d. pond