Which statement best describes what an ocean and a pond have in common?

• They are both ecosystems that rely on each other for survival.

• They are both ecosystems that support human and animal life.

• They are both ecosystems that support different plants, animals, and

  microorganisms.

• They are both ecosystems that support the same types of plants,

  animals, and microorganisms.

Which body of water best completes the graphic organizer?

• estuary

• river

• sea

• creek

Which animal would you most likely find in a deciduous forest?

• bison

• deer

• duck

• panther

Which is a difference between the plant life of a rainforest and a

deciduous forest?

• The deciduous forest has a warm climate year-round, while the

  rainforest has hot and cold extreme climates.

• The deciduous forest has the most diverse plant life of all

  ecosystems, while the rainforest plant life is scarce.

• The deciduous forest remains hot and wet year-round, while the

  rainforest has a yearly cycle of plant growth due to changes of

  seasons.

• The deciduous forest has yearly cycles of plant growth due to changes

  of seasons, while the rainforest remains hot and wet year-round.

Which lists animals that live in an aquatic ecosystem?

• black bear, deer, vole

• ducks, turtles, amphibians

• panthers, monkeys, snakes

• prairie dogs, bison, grasshoppers

Which marine ecosystem would be best for organisms that can adapt to both salt water and fresh water?

• estuary

• lake

• pond

• river

Which is true of a tropical rainforest?

• They are found only in South America.

• Only a few different species of plants and animals can be found there.

• The tree canopy causes only a small amount of sunlight to reach the

  ground.

• Each organism found in a rainforest can also be found in a deciduous forest.

Which could be a challenge for a small animal living in a grassland ecosystem?

• The frozen ground is too hard to serve as shelter.

• The flat terrain makes it easy for predators to spot prey.

• The extreme temperatures require thick skin and heavy fur.

• The high amounts of precipitation create excess water resources.

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What is the main difference between marine and freshwater ecosystems?

• the amount of animals

• the amount of plants

• the amount of rocks

• the amount of salt

Which best explains how a pond ecosystem is similar to a rainforest ecosystem?

• Both ecosystems contain large amounts of water.

• Both ecosystems are found in most parts of the world.

• Both ecosystems contain the same communities of organisms.

• Both ecosystems support food webs made up of producers and consumers.