5th Grade Science Test 2 Question Preview (ID: 62325)
Ecosystems: Flow Of Matter And Energy.
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Which of the following is an example of an unbalanced ecosystem?
a) In a nearby forest, the prey and predator population are doing really well. There are plenty of rabbits to eat the grass and
b) Overfishing of salmon caused the salmon population to go down in Alaska. Now, the Bears and other predators that eat the salm
c) Water flowing from a stream.
d) Deer
What is an unbalanced ecosystem?
a) An ecosystem in which many organisms cannot meet their needs.
b) An ecosystem in which many organisms can meet their needs.
c) A living thing.
d) Water
What is a balanced ecosystem?
a) A living thing.
b) A lot of water.
c) An ecosystem in which many organisms can meet their needs.
d) An ecosystem in which many organisms cannot meet their needs.
A rabbit eats grass and other plants only. The rabbit is eaten by owls, snakes, and foxes. Which words describe the role of the rabbit in this food web?
a) Consumer and Herbivore
b) Consumer and Carnivore
c) Consumer and Omnivore
d) Producer and Consumer
What 2 things come out of photosynthesis?
a) Carbon dioxide and glucose
b) Glucose and sun
c) Glucose and oxygen
d) Oxygen and carbon dioxide
Where do plants get their energy from?
a) Soil
b) Water
c) Plants
d) The sun
What 3 things go into photosynthesis?
a) Carbon dioxide, sun, water
b) Oxygen, sun, water
c) Glucose, sun, water
d) Sun, water, sugar
Which of the following is a biotic factor in an ecosystem?
a) Soil
b) Humans
c) Air
d) Water
Which of the following is an abiotic factor in an ecosystem?
a) Plants
b) Animals
c) Water
d) Humans
Which of the following is a biotic factor of an ecosystem?
a) The sun
b) Water
c) Rocks
d) Plants
Which of the following is an abiotic factor in an ecosystem?
a) Plants
b) Rocks
c) Animals
d) Humans
What is an organism?
a) Any living thing
b) Rocks
c) Water
d) Clouds
What is an ecosystem?
a) A piece of paper.
b) A community of organisms that interact with each other and their environment.
c) Nothing
d) I don't know
What is a decomposer?
a) Anything that has a mouth and eats other plants/animals.
b) A plant that makes its own food from the sun.
c) An organism that breaks down dead plants or animals and returns nutrients to the soil.
d) A lion
Do plants make their own food?
a) Noooooooooo
b) Not at all
c) Yes, through photosynthesis
d) No
What are producers?
a) Something with a mouth that eats other animals.
b) Plants that get their energy from the sun and make their own food.
c) An ant
d) A lion
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