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