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Ecosystems And Biomes
Test Description: Ecology and Ecosystems
Instructions: Answer all questions to get your test result.
1) 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 limiting factor
B
a community
C
an abiotic factor
D
a population
2) Because green plants need moisture, light and soil, what do they depend on?
A
populations
B
abiotic factors
C
biotic factors
D
shelter
3) Which group is a population?
A
Mojave rattlesnakes in the Mojave Desert
B
fish and whales in the Pacific Ocean
C
species of birds living in a rain forest
D
plants and animals in a meadow
4) What is the main reason different biomes support different plant and animal communities?
A
They have different soil types
B
They have different climates
C
They have different niches
D
They have different biotic factors
5) In which type of biome would you find the greatest number of species of plants and animals?
A
rain forest
B
desert
C
chaparral
D
tundra
6) Which of these is a biotic factor?
A
sunlight
B
rainfall
C
temperature
D
insect
7) Which abiotic factor provides energy for nearly all life on Earth?
A
air
B
soil
C
sunlight
D
water
8) What helps determine the number of individuals that can survive in an area?
A
ecosystem
B
limiting factors
C
biome
D
habitat
9) Which is an example of a population?
A
all the plants and animals in a wetland
B
all the white-tailed deer in a forest
C
all the trees, soil, and water in a forest
D
the air, sunlight, and soil in a wetland
10) What biome is located closest to the north and south poles?
A
temperate deciduous rain forest
B
tundra
C
rainforest
D
taiga
11) Where is the tropical rainforest biome found?
A
tropic of cancer
B
antarctic circle
C
Arctic Circle
D
equator
12) What biome covers most of northern Africa?
A
temperate deciduous forest
B
temperate rain forest
C
desert
D
tundra
13) Which describes a vegetarian?
A
herbivore
B
scavenger
C
carnivore
D
omnivore
14) What might happen if Earth had no decomposers?
A
Nutrients to make new organisms would be limited
B
Consumers would have nothing left to eat
C
Producers would run out of energy
D
Scavengers would not be able to find food
15) Why do the layers in an energy pyramid get smaller toward the top?
A
There are more carnivores in the layer below
B
Each layer has less sunlight than the layer below
C
Each layer has less energy than the layer below
D
There are few herbivores than the layer below
16) What are organisms in the first layer of the energy pyramid called
A
consumers
B
omnivores
C
producers
D
carnivores
17) Producers are different from consumers because only producers can do what?
A
contribute to the marine food web
B
swim in the deep water
C
make their own food
D
digest the nutrients in other organisms
18) Which is an organism that can directly convert energy from the Sun into food?
A
decomposers
B
producers
C
herbivores
D
consumers
19) Which organism might compete with the mouse for seeds?
A
hawk
B
lion
C
fox
D
sparrow
20) Which term describes organizes such as cows, horses, and goats?
A
omnivores
B
carnivores
C
herbivores
D
producers
*select an answer for all questions
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