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Ecology Review
Test Description: Use this to review for the Ecology Post-Test
Instructions: Answer all questions to get your test result.
1) Animals can best be described by which of the following words? (choose one)
A
producer
B
decomposer
C
consumer
D
unicellular
2) A producer gets its energy from which of the following?
A
Eating organisms
B
The air
C
Decayed organisms
D
The Sun
3) Where does the matter that makes up the body of a tree come from?
A
Air and water
B
Sunlight and water
C
Soil and sunlight
D
Water and soil
4) What does a food chain represent?
A
The increase in size among organisms in the ecosystem
B
The path of energy transfer from producers to consumers
C
How an organism might change over time
D
The movement of organisms through out the ecosystem
5) Which is the best reason that a group of predators would cooperate
A
For mates
B
For defense
C
To kill larger animals for food
D
To get water
6) Which group of words names organisms that are producers?
A
Only Sun
B
Only Grass
C
Grass and Mushroom
D
Grass, Sun, Water
7) Organisms that use photosynthesis to make their own food are called?
A
Producers
B
Decomposers
C
Consumers
D
Chloroplasts
8) Which group of organisms absorb nutrients from the environment?
A
Consumers
B
Chloroplasts
C
Decomposers
D
Producers
9) An example of symbiosis is?
A
The relationship between birds and nests
B
The relationship between water and air
C
The relationship between lions and zebras
D
The relationship between flowers and bees
10) Which of these is an abiotic factor?
A
Bacteria
B
Plants
C
Humans
D
Water Temperature
11) Which of the following would NOT cause competition in an environment?
A
Members have the same roles
B
Resources are limited
C
A population is above the carrying capacity
D
Resources are plentiful
12) Chose the group of words with BIOTIC factors only.
A
Mushroom and Water
B
Sun and Grass
C
Grass, Mushroom, Mouse
D
Water, Sun, Grass
13) If a fire kills all the grass in an ecosystem what might happen?
A
The bird population would decrease because the mouse population decreases.
B
The snake population would increase because the mouse population decreases.
C
There would be more sunshine.
D
The mouse population would increase because they eat grass.
14) Where does all the energy in a food web come from?
A
Birds
B
Mushrooms
C
The Sun
D
Water
15) Why are their fewer polar bears than there are seals and fish?
A
Less energy and matter are available because it gets used by lower organisms.
B
More energy and matter are available because it does not get used by lower organisms.
16) Which list of organisms are only consumers?
A
Only plants
B
Plants and rabbits
C
Rabbits and snakes
D
Plants and snakes
*select an answer for all questions
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