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20 questions
Which is a producer?
the sun
algae and plants
insects and birds
mammals
Where does a producer get energy?
the sun
algae and plants
insects and birds
mammals
These organisms break down dead materials
Producer
Consumer
Decomposer
These organisms are the beginning of the food chain, producing their own food.
Producer
Consumer
Decomposer
These organisms eat plants or animals to obtain energy.
Producer
Consumer
Decomposer
How much energy does a consumer get from eating a producer?
The same amount as the producer has stored; 10,000 joules of energy
Less energy than the producer has stored
More energy than the producer has stored
What do plants use the sun's energy for?
to convert to plant matter like leaves, roots, and flowers
to stay green
to take in oxygen
to take in carbon dioxide
Plant matter is mostly made up of
stems and leaves
nutrients and soil
air and water
just water
Decomposers break down dead organisms and turn them into
soil
nothing
grass
mushrooms
Plants do not need air to survive.
True
False
Plants get all their matter from soil.
True
False
When plants and animals grow, matter is added.
True
False
An ecosystem is a collection of living and nonliving things that work together.
True
False
Dead animals do not have energy in them.
True
False
All energy that animals use is energy that once came from the sun.
True
False
In investigations, the control does not have any variable changed.
True
False
Where do plants store their energy?
the whole plant
only in the roots
only in the leaves
only in the flowers
Which of these is the herbivore?
Sun
Plants
Bison
Gray Wolf
Which would be considered a predator?
Sun
Grass
Bison
Gray Wolf
Global warming is increasing ocean temperatures, making it harder for phytoplankton to survive.
What effect does global warming have on the food web?
It would have no effect.
A decrease in the number of every organism in the sea.
A decrease in the number of krill only, since they eat phytoplankton.
An increase in the number of killer whales only.
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