L.S.5.2.1 Schoolnet Quiz

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.

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

• The plants receive more water in grasslands than they do in forests.

• The plants receive more sunlight in grasslands than they do in forests.

• The plants are less affected by wind in grasslands than they are in forests.

• The plants are less affected by pests in grasslands than they are in forests.

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

• estuary

• lake

• pond

• river

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.

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

• estuary

• lake

• ocean

• pond

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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 is a major difference between lakes and oceans?

• Oceans and lakes have a wide variety of organisms.

• Oceans and lakes are both water-based ecosystems.

• Oceans are salt water, while lakes are usually freshwater.

• Oceans are replenished by rain, while lakes are replenished by snow.

Which is true about ocean, estuary, and salt marsh ecosystems?

• They are aquatic ecosystems which contain a great variety of organisms.

• They are aquatic ecosystems which contain a small variety of organisms.

• They are terrestrial ecosystems which contain a great variety of organisms.

• They are terrestrial ecosystems which contain a small variety of organisms.

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Which animals could most likely survive in a grassland or forest ecosystem?

• elk, deer, and horses

• crabs, zebras, and otters

• lions, polar bears, and seals

• walruses, sharks, and whales

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Which group of organisms would most likely live in either lakes or ponds?

• catfish, bass, turtle

• eel, salmon, starfish

• shark, jellyfish, beaver

• otter, giant squid, stingray