Ecosystems And Biomes Question Preview (ID: 20065)


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Which organism might compete with the mouse for seeds?
a) hawk
b) lion
c) fox
d) sparrow

What are organisms in the first layer of the energy pyramid called
a) carnivores
b) consumers
c) producers
d) omnivores

Producers are different from consumers because only producers can do what?
a) swim in the deep water
b) make their own food
c) contribute to the marine food web
d) digest the nutrients in other organisms

Which is an organism that can directly convert energy from the Sun into food?
a) producers
b) decomposers
c) consumers
d) herbivores

What might happen if Earth had no decomposers?
a) Scavengers would not be able to find food
b) Nutrients to make new organisms would be limited
c) Consumers would have nothing left to eat
d) Producers would run out of energy

Why do the layers in an energy pyramid get smaller toward the top?
a) Each layer has less energy than the layer below
b) There are more carnivores in the layer below
c) Each layer has less sunlight than the layer below
d) There are few herbivores than the layer below

Which describes a vegetarian?
a) herbivore
b) carnivore
c) omnivore
d) scavenger

Which term describes organizes such as cows, horses, and goats?
a) carnivores
b) producers
c) herbivores
d) omnivores

What biome covers most of northern Africa?
a) desert
b) temperate deciduous forest
c) temperate rain forest
d) tundra

Where is the tropical rainforest biome found?
a) Arctic Circle
b) equator
c) tropic of cancer
d) antarctic circle

What biome is located closest to the north and south poles?
a) taiga
b) temperate deciduous rain forest
c) rainforest
d) tundra

Which is an example of a population?
a) all the white-tailed deer in a forest
b) all the trees, soil, and water in a forest
c) all the plants and animals in a wetland
d) the air, sunlight, and soil in a wetland

Which abiotic factor provides energy for nearly all life on Earth?
a) air
b) soil
c) sunlight
d) water

What helps determine the number of individuals that can survive in an area?
a) biome
b) ecosystem
c) habitat
d) limiting factors

What is the main reason different biomes support different plant and animal communities?
a) They have different climates
b) They have different soil types
c) They have different niches
d) They have different biotic factors

In which type of biome would you find the greatest number of species of plants and animals?
a) tundra
b) desert
c) chaparral
d) rain forest

Which of these is a biotic factor?
a) sunlight
b) insect
c) temperature
d) rainfall

Which group is a population?
a) plants and animals in a meadow
b) species of birds living in a rain forest
c) Mojave rattlesnakes in the Mojave Desert
d) fish and whales in the Pacific Ocean

Because green plants need moisture, light and soil, what do they depend on?
a) biotic factors
b) abiotic factors
c) populations
d) shelter

Which would you use to describe a collection of sea anemones, sea stars, barnacles, and other organisms that live in a tide pool?
a) a community
b) a limiting factor
c) an abiotic factor
d) a population

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