WorksheetsRoles of Organisms in Ecosystems
Total questions: 43
Worksheet time: 18mins
The process by which plants and plant-like organisms make their own food is called _____________________.
respiration
photosynthesis
chlorophyll
decompose
Organisms that cannot make their own food are called __________________.
producers
decomposers
consumers
A green molecule found in plants which gives plants their green color.
oxygen
sugar
chlorophyll
carbon dioxide
Organisms that can make their own food are called ____________.
producers
consumers
decomposers
Plants need ___________________________________ to perform photosynthesis in plants.
water
light / sunlight
oxygen
carbon dioxide
sugar
Plants are ______________________ because they produce their own food.
decomposers
consumers
producers
__________________ consume plants and animals as food.
producers
consumers
decomposers
Organisms that break down the wastes and remains of dead organisms.
consumers
producers
decomposers
The ____________ is the movement of gases between plants and animals.
photosynthesis
carbon dioxide - oxygen cycle
chlorophyll
Plants take in ______________ and sunlight to make food.
oxygen
carbon dioxide
Animals take in _____________ and give off ____________.
carbon dioxide ; oxygen
oxygen ; carbon dioxide
____________ eat only plants.
carnivores
omnivores
herbivores
producers
_______________ eat only animals.
herbivores
carnivores
omnivores
consumers
__________ eat both plants and animals.
herbivores
omnivores
carnivores
decomposers
Animals that hunt and eat other animals are ____________.
prey
predators
herbivores
decomposers
The animals that are hunted by other animals are called _____________.
predators
prey
decomposers
producers
______________ are organisms that eat plants and animals that have died.
decomposers
scavengers
carnivores
herbivores
Bacteria are decomposers that use ___________ to break down the remains of plants and animals.
enzymes
water
producers
sunlight
As the number of predators in an area increases, the number of prey _____________________.
increases
decreases
stays the same
I eat bamboo leaves and stems.
Herbivore
Carnivore
Omnivore
I eat seals, walrus, and fish.
Herbivore
Carnivore
Omnivore
I eat fruit, nuts, frogs and fish
Herbivore
Carnivore
Omnivore
I eat berries, nuts, insects and worms.
Herbivore
Carnivore
Omnivore
I eat grass,hay, and corn.
Herbivore
Carnivore
Omnivore
I eat mice, insects, and fish
Herbivore
Carnivore
Omnivore
I eat gazelles and zebras
Herbivore
Carnivore
Omnivore
I eat hay and grass.
Herbivore
Carnivore
Omnivore
I eat worms, caterpillars, seeds and fruit.
Herbivore
Carnivore
Omnivore
