WorksheetsFlow of Matter in Ecosystems
Total questions: 20
Worksheet time: 20mins
What is an ecosystem?
a group of connected organisms
a specific place where an organism lives
an area with the same vegetation and climate
an imaginary sphere containing all life on Earth
What does it mean to digest?
to breathe
to eat food
to build body parts
to break down food
What is a producer?
It eats.
It is fast.
It changes locations.
It makes its own food.
Which type of organism eats decaying organic matter?
carnivore
decomposer
herbivore
omnivore
A snake is a:
carnivore
herbivore
omnivore
decomposer
What is a nutrient?
a unique biome
a process to digest food
a building block for animals
a plant that produces and consumes
Which organism helps clean up animal waste in ecosystems?
dung beetle
earth worm
raven
turkey vulture
Which model helps scientists understand how organisms obtain matter?
food chain
water cycle
atomic theory
plate tectonics
How do organisms obtain matter for their bodies?
air
food
sunlight
water
Which type of scientist studies ecosystems?
ecologist
geologist
hydrologist
zoologist
What is the main source of energy for most ecosystems?
air
grass
sun
water
Why do some animals need to eat other animals?
They enjoy hunting.
They are allergic to plants.
They require specific nutrients.
They do not know which plants to eat.
What might happen if a predator cannot find its preferred prey?
It switches to different prey.
It begins to drink more water.
It evolves into a decomposer.
It starts to produce its own food.
What defines a consumer?
It eats.
It is fast.
It changes locations.
It makes its own food.
Which organism eats only plants?
carnivore
decomposer
herbivore
omnivore
Which organism eats both plants and animals?
carnivore
decomposer
herbivore
omnivore
What is the process that plants use to make food?
decomposition
photosynthesis
pollination
respiration
Who was Aldo Leopold?
a forestry pioneer
an author
a scientist
a model
A decomposer is a type of what?
carnivore
consumer
herbivore
producer
What is organic matter?
matter that is or was alive
matter that floats in space
matter that dissolves in water
matter that comes from rocks
