WorksheetsMystery Science - Web of Life
Total questions: 29
Worksheet time: 40mins
What are the main ingredients plants use to make their own food?
water and sunlight
water and soil
water and oxygen
water and carbon dioxide
Which of these organisms is NOT a decomposer?
Mushrooms
Plants
Bacteria
Earthworms
The energy in all ecosystems comes from _________?
gravity
sunlight
magic
moon
Which are possible ways that living things interact in an ecosystem?
eating or being eaten by other animals
giving off and taking up gases like carbon dioxide and oxygen
recycling nutrients
all of the above
________________ are called "producers" because they make their own food.
Fungi
Animals
Plants
Kids
Consumers need _________ to breathe.
water
carbon dioxide
sunlight
oxygen
Snakes, earthworms, caterpillars
herbivores
omnivores
carnivores
none of the above
phytoplankton, algae, trees
herbivores
carnivores
decomposers
producers
fungi, bacteria, maggots
omnivores
carnivores
decomposers
producers
grass, zebras, lions
carnivores
decomposers
producers
none of the above
cougars, sharks, t-rex
herbivores
carnivores
omnivores
producers
deer, squirrels, cows
herbivores
carnivores
omnivores
none of the above
racoons, bears, crows
herbivores
omnivores
carnivores
decomposers
gopher, mice, snails
carnivores
herbivores
omnivores
producers
What would most likely result if pesticides killed off the grasshoppers?
The amount of carrots would increase.
The birds would start eating grass.
The amount of grass would increase.
The owl would die off.
Producers do which of the following things?
use carbon dioxide and release oxygen
include plants and algae
make their own food rather than eating other living things
all of the above
Decomposers can ...
only be seen under a microscope.
create nutrients out of the air that help plants grow.
break down waste and dead material into nutrients for plants.
Mold is an example of a
gas
producer
decomposer
An ecosystem includes all the producers, consumers, and decomposers in an environment.
True
False
Why do you have to clean a fish tank but not a pond?
Fish tanks are dirtier.
Fish tanks don't have decomposers to break down waste.
Fish make oxygen in the water that can be seen in a fish tank.
_____________ lose leaves and die.
producers
consumers
decomposers
Fruit trees are examples of ____________
producers
consumers
decomposers
Animals are examples of
producers
consumers
decomposers
_______________ break down material which provides nutrients to producers.
producers
consumers
decomposers
____________ release oxygen into the air.
producers
consumers
decomposers
Which correctly shows the flow of energy through a food web?
Producers → decomposers → consumers
Producers → consumers → decomposers
Decomposers → consumers → producers
Choose the statement that most accurately describes why the dinosaurs died.
The dinosaurs died from earthquakes set off by the asteroid impact.
The dinosaurs burned up instantly from a giant fireball caused by the asteroid.
Most dinosaurs starved due to the collapse of their food webs.
Most dinosaurs suffocated because they couldn’t breathe air full of asteroid dust.
The dinosaurs froze to death when the sun was blocked out.
Which organisms were most likely to survive the Cretaceous extinction? Choose as many choices as you want.
Omnivores
Herbivores
Small animals
Decomposers
Plants
True or false? Scientists have reason to think that NOT ALL of the dinosaurs died in the Cretaceous extinction.
True
False
