WorksheetsUnit 2: Ecosystems
Total questions: 45
Worksheet time: 11hrs 15mins
A(n) ___________ is a community and its physical environment together.
Ecosystem
Environment
Habitat
Animal
A(n) ____________ is an environment that meets the needs of an organism.
Environment
Ecosystem
Habitat
Consumer
A(n) ________ is all of the living and nonliving things surrounding an organism
Environment
Ecosystem
Habitat
Producer
Click on ALL the resources living things need to survive.
Water
Food
Space
Humans
The main source of energy for ecosystems.
Sun
Habitat
Consumer
Producer
A series of organisms that depend on one another for food.
Producer
Consumer
Food Chain
Food Web
A group of food chains that overlap.
Food Chain
Food Web
Producer
Consumer
A living thing, such as a plant, that can make its own food.
Producer
Consumer
Ecosystem
Habitat
A living thing that can't make its own food and must eat other living things.
Producer
Consumer
Ecosystem
Habitat
A living thing that feeds on the wastes of other animals.
Consumer
Producer
Decomposer
Ecosystem
describes a nonliving part of an ecosystem.
(ex: sun, water, rocks)
Abiotic
Biotic
Describes a living part of an ecosystem.
(ex: plants and animals)
Abiotic
Biotic
How does a plant get energy?
Water, Air, and Sun
Water and Sun
Sun only
"The white owl eats the field mouse." Which animal is the prey?
The Mouse
The Owl
A tiger is a ________.
Producer
Consumer
Decomposer
An animal that eats plants only.
Herbivore
Carnivore
Omnivore
An animal that eats both plants and animals.
Herbivore
Carnivore
Omnivore
An animal that only eats other animals.
Herbivore
Carnivore
Omnivore
A mushroom is a ________.
Producer
Consumer
Decomposer
The cat ate the squirrel. Which animal is the predator?
The Squirrel
The Cat
The arrows in the food chain show_______.
The flow of energy from one organism to another.
Animals in order of size.
Animals in alphabetical order.
It doesn't really matter where the arrows go, it just looks pretty.
An Elephant is a _____________.
Producer
Consumer
Decomposer
A sunflower is a _________.
Producer
Consumer
Decomposer
An animal that is hunted and eaten for food.
Predator
Prey
An animal that hunts other animals for food.
Predator
Prey
When a living thing makes more of itself.
Survive
Living
Reproduce
Environment
When a living thing is able to meet their needs.
Survive
Nonliving
Reproduce
Environment
A series of events in which one organism eats another and obtains energy
Food Chain
Consumer
Producer
Ecosystem
A living thing
organism
Tundra
food chain
survive
Consumers need __________ in order to survive.
consumers
decomposers
producers
scavengers
What happens to dead leaves that fall in the forest?
It will stay the same unless it gets burned by a fire.
It will decompose and become part of the soil.
It will grow into a small tree.
It will grow and change into grass.
Why are decomposers important in a food web?
They create homes for other animals.
They use the energy from the sun to make food for other animals.
They break down dead plants and animals.
They are food for consumers.
Which of the following is considered to be the end of a food chain?
sunlight
producer
consumer
decomposer
sun-->plant --> caterpillar--> bird--> snake
What is the source of energy for the producer?
sun
plant
caterpillar
snake
Which of the following may cause the extinction of a species?
There were not enough decomposers.
Their food source became scarce.
There was an abundance of producers.
There was an abundance of food available.
If the food supply for deer decreases, the deer population will probably?
Increase
Decrease
Stay the Same
The grass get eaten by the rabbit and the rabbit gets eaten by the hawk.
What is the producer in this sentence?
rabbit
grass
hawk
An ocean food chain contains algae, fish, and sharks.
What would happen to the fish population if you remove the sharks.
The fish population would increase.
The fish population will decrease.
There will be more algae.
There would be more sharks.
Gas that makes up 78% of our atmosphere.
oxygen
nitrogen
hydrogen
carbon dioxide
As a part of the water cycle, water from Earth's surface enters the clouds and finally falls back to the ground in the form of rain. What is the correct sequence of processes water undergoes?
Evaporation, Condensation, Precipitation
Evaporation, Precipitation, Condensation
Precipitation, Evaporation, Condensation
What is precipitation?
Sweat from our bodies on hot days.
Warm rain but not cold snow or sleet.
Gas that we use in furnaces.
Any form of water that falls from the sky.
Condensation occurs when water vapor_____________.
heats up and becomes liquid water.
cools off and becomes liquid water.
freezes and becomes ice.
rains on the land.
Plants return groundwater to the atmosphere through which process?
evaporation
sublimation
transpiration
condensation
When water deos not get absorbed into soil or evaporate into the atmosphere it becomes __________.
sublimation
runoff
Two hydrogen atoms plus one oxygen atom creates:
water (H2O)
Breathing (O2)
Nitrogen (N)
Carbon Dioxide (CO2)
