Ch 4: Matter And Energy In The Ecosystem Question Preview (ID: 49270)
Ch 4.
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Producer-
a) Organisms that make their own food from inorganic molecules and energy.
b) Organisms that eat only meat.
c) Organisms that eat both producers and consumers.
d) Organisms that cannot make their own food.
Consumer-
a) Organisms that make their own food from inorganic molecules and energy.
b) Organisms that eat only meat.
c) Organisms that eat both producers and consumers.
d) Organisms that cannot make their own food.
Carnivore-
a) Organisms that eat both producers and consumers.
b) Organisms that eat only meat.
c) Organisms that cannot make their own food.
d) Bacteria and fungi that consume the bodies of dead organisms and other organic wastes.
Omnivore-
a) Organisms that make their own food from inorganic molecules and energy.
b) Organisms that eat both producers and consumers.
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.
Decomposer-
a) Bacteria and fungi that consume the bodies of dead organisms and other organic wastes.
b) A layer in the structure of feeding relationships in an ecosystem.
c) Animals that eat plants.
d) Animals that feed on the bodies of dead organisms.
Scavengers-
a) Animals that feed on the bodies of dead organisms.
b) A layer in the structure of feeding relationships in an ecosystem.
c) Animals that only eat plants.
d) Water molecules
Trophic Level-
a) A layer in the structure of mineral content.
b) A layer in the structure of animal classification.
c) A layer in the structure of feeding relationships in an ecosystem.
d) A layer in the structure of space exploration.
Who makes up the first and largest Trophic Level? Why?
a) Producers make up the first and largest Trophic Level in all ecosystems because they make their own food.
b) Consumers form the second and higher Trophic Levels in the ecosystem because they cannot produce their own food and so must o
c) Fish because they like to swim.
d) Birds because there are a lot of them.
Who makes up the second 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) Dinosaurs because they are extinct.
d) Trees because they are in abundance.
Energy from the Sun enters an ecosystem when producers___?
a) when a star explodes.
b) when Santa comes to town.
c) when the animals sleep.
d) when producers use the energy to make organic matter through photosynthesis.
Consumers take energy when?
a) Consumers take energy when they eat producers or other consumers.
b) sleep
c) run away from danger
d) are born
How is this energy used ?
a) This energy is used for motion.
b) This energy is used for generating heat.
c) This energy is used for life processes.
d) All of the answers listed.
What 4 main elements is your body made up of that we discussed in class?
a) oxygen, carbon, hydrogen, and nitrogen
b) oxygen, carbon, helium, and nitrogen
c) sodium, carbon dioxide, hydrogen, and nitrogen
d) oxygen, potassium , zinc, and neon
How does water return to the Earth’s surface?
a) All of the answers listed: precipitation
b) rain
c) snow
d) sleet
What is the most important part of the carbon cycle?
a) living things
b) dead things
c) rocks
d) air
Why do organisms require nitrogen? What does it allow them to do?
a) make carbon dioxide
b) make oxygen
c) make amino acids, the building blocks of protein
d) make sodium
A network of all of the feeding relationships in an ecosystem is called a ____.
a) menu
b) school
c) Food Web
d) tropic level
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