Ecosystem 3

Which terrestrial ecosystem would require animals to burrow underground for shelter?

• deciduous forest

• grassland

• rain forest

• swamp

Which is a similarity of estuaries and oceans?

• They are both very deep.

• They are both the same size.

• They both contain salt water.

• They both have few predators.

Which best describes the environmental conditions that organisms must tolerate when living in estuary and salt marsh ecosystems?

• changing water levels and salinity

• changing amounts of food and sunlight

• changing sediment and geologic features

• changing wind speeds and rainfall amounts

How do the conditions for plants growing close to the ground differ in grasslands and forests?

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which characteristic is most likely different when comparing a lake and an ocean ecosystem?

• Lakes have freshwater and oceans have salt water.

• Lakes have salt water and oceans have freshwater.

• Lakes have only mammals and oceans have many types of organisms.

• Lakes do not have vegetation and oceans have large amounts of vegetation.

Which aquatic ecosystem would require animals and plants to survive in salt water?

• estuary

• lake

• pond

• river

Based on the information in the chart above, Z is most likely which ecosystem?

• estuary

• lake

• ocean

• pond

Which correctly compares lakes and ponds?

• Ponds are usually larger and deeper than lakes.

• Lakes are usually larger and deeper than ponds.

• Ponds usually contain salt water, while lakes contain freshwater.

• Lakes usually have the same temperature from top to bottom, while ponds do not.

Which ecosystem has lifeforms most similar to those of the ocean?

• estuary

• lake

• pond

• stream

Which ecosystem has lifeforms most similar to an estuary?

• lake

• ocean

• pond

• stream