Question 1

Which biome is characterized by a layer of permafrost (permanently frozen ground)?

Accepted Answer

tundra

Answer

savanna

Answer

temperate deciduous forest

Answer

grassland

Question 2

Biodiversity is greatest in which biome?

Accepted Answer

tropical rain forest

Answer

taiga (boreal forest)

Answer

tundra

Answer

savanna

Question 3

The eastern portion of the United States is dominated by which biome?

Accepted Answer

temperate deciduous forest

Answer

tropical rain forest

Answer

tundra

Answer

desert

Question 4

Which two factors determine the biome in an terrestrial area?

Accepted Answer

temperature and humidity

Answer

animals and plants

Answer

humidity and salt content

Answer

temperature and salt content

Question 5

The aphotic zone of the ocean is

Accepted Answer

where there is not enough sunlight for photosynthesis.

Answer

where there is too much salt for freshwater organisms.

Answer

where the is not enough salt for freshwater organisms.

Answer

where the is enough sunlight for photosynthesis.

Question 6

Aquatic ecosystems are primarily determined based on

Accepted Answer

salt content.

Answer

temperature.

Answer

humidity.

Answer

plants.

Question 7

Which of the following correctly identifies biomes you would find in order from the equator to the poles

Accepted Answer

tropical rain forest, temperate deciduous forest, boreal forest (taiga), tundra

Answer

temperate deciduous forest, grassland, tundra, tropical rain forest

Answer

savanna, desert, tundra, grassland

Answer

tropical rain forest, grassland, temperate rain forest, grassland

Question 8

What are the dominant producers in the aquatic ecosystems?

Accepted Answer

phytoplankton

Answer

seaweed

Answer

predators

Answer

plants

Question 9

Which of the following would be classified as a primary consumer in a temperate forest?

Accepted Answer

deer

Answer

coyote

Answer

eagle

Answer

spider

Question 10

Estuaries are an example of which biome or ecosystem?

Accepted Answer

marine ecosystem

Answer

freshwater ecosystem

Answer

tundra biome

Answer

tropical rain forest biome

Question 11

which organisms make all of the energy for the ecosystem?

Accepted Answer

producers

Answer

consumers

Answer

decomposers

Answer

herbivores

Question 12

Which organisms are primary consumers in the ecosystem?

Accepted Answer

herbivores

Answer

plants

Answer

producers

Answer

carnivores

Question 13

How much energy on average is transferred from one trophic level to the next?

Accepted Answer

10%

Answer

100%

Answer

50%

Answer

90%

Question 14

What do the arrows in an food chain represent?

Accepted Answer

energy transfer

Answer

what eats what

Answer

new organisms

Answer

they are lines

Question 15

Which organism is a producer?

Accepted Answer

grasses

Answer

rabbits

Answer

owls

Answer

foxes

Question 16

Which organism is a primary consumer?

Accepted Answer

mice

Answer

foxes

Answer

owls

Answer

carrots

Question 17

Which of the following organisms would have the least amount of energy available?

Accepted Answer

owls

Answer

mice

Answer

grasshoppers

Answer

grasses

Question 18

A decrease in the grass population will most immediately decrease available energy for the

Accepted Answer

grasshopper

Answer

fox

Answer

birds

Answer

owl

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