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Ch 4: Matter And Energy In The Ecosystem
Test Description: Ch 4
Instructions: Answer all questions to get your test result.
1) Producer-
A
Organisms that eat both producers and consumers.
B
Organisms that cannot make their own food.
C
Organisms that eat only meat.
D
Organisms that make their own food from inorganic molecules and energy.
2) Consumer-
A
Organisms that make their own food from inorganic molecules and energy.
B
Organisms that cannot make their own food.
C
Organisms that eat only meat.
D
Organisms that eat both producers and consumers.
3) Carnivore-
A
Organisms that eat both producers and consumers.
B
Organisms that cannot make their own food.
C
Bacteria and fungi that consume the bodies of dead organisms and other organic wastes.
D
Organisms that eat only meat.
4) Omnivore-
A
Organisms that make their own food from inorganic molecules and energy.
B
Animals that feed on the bodies of dead organisms.
C
Organisms that eat both producers and consumers.
D
Bacteria and fungi that consume the bodies of dead organisms and other organic wastes.
5) Decomposer-
A
Animals that eat plants.
B
A layer in the structure of feeding relationships in an ecosystem.
C
Animals that feed on the bodies of dead organisms.
D
Bacteria and fungi that consume the bodies of dead organisms and other organic wastes.
6) Scavengers-
A
Animals that feed on the bodies of dead organisms.
B
Water molecules
C
Animals that only eat plants.
D
A layer in the structure of feeding relationships in an ecosystem.
7) Trophic Level-
A
A layer in the structure of space exploration.
B
A layer in the structure of feeding relationships in an ecosystem.
C
A layer in the structure of animal classification.
D
A layer in the structure of mineral content.
8) Who makes up the first and largest Trophic Level? Why?
A
Consumers form the second and higher Trophic Levels in the ecosystem because they cannot produce their own food and so must o
B
Producers make up the first and largest Trophic Level in all ecosystems because they make their own food.
C
Birds because there are a lot of them.
D
Fish because they like to swim.
9) Who makes up the second Trophic Level? Why?
A
Trees because they are in abundance.
B
Consumers form the second and higher Trophic Levels in the ecosystem because they cannot produce their own food and so must o
C
Dinosaurs because they are extinct.
D
Producers make up the first and largest Trophic Level in all ecosystems because they make their own food.
10) Energy from the Sun enters an ecosystem when producers___?
A
when a star explodes.
B
when the animals sleep.
C
when Santa comes to town.
D
when producers use the energy to make organic matter through photosynthesis.
11) Consumers take energy when?
A
run away from danger
B
sleep
C
Consumers take energy when they eat producers or other consumers.
D
are born
12) How is this energy used ?
A
This energy is used for motion.
B
This energy is used for life processes.
C
All of the answers listed.
D
This energy is used for generating heat.
13) What 4 main elements is your body made up of that we discussed in class?
A
oxygen, potassium , zinc, and neon
B
oxygen, carbon, helium, and nitrogen
C
oxygen, carbon, hydrogen, and nitrogen
D
sodium, carbon dioxide, hydrogen, and nitrogen
14) How does water return to the Earth’s surface?
A
rain
B
snow
C
sleet
D
All of the answers listed: precipitation
15) What is the most important part of the carbon cycle?
A
rocks
B
dead things
C
air
D
living things
16) Why do organisms require nitrogen? What does it allow them to do?
A
make sodium
B
make oxygen
C
make amino acids, the building blocks of protein
D
make carbon dioxide
17) A network of all of the feeding relationships in an ecosystem is called a ____.
A
Food Web
B
tropic level
C
menu
D
school
*select an answer for all questions
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