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WorksheetsEcosystems
Total questions: 21
Worksheet time: 15mins
Biotic factors are...
living things
non-living things
undead things
Abiotic factors are...
living things
non-living things
undead things
Which of these is NOT an abiotic factor?
water
temperature
grass
soil
Which diagram can show us the AMOUNT OF ENERGY that flows from producers to consumers?
Food chain
Web chain
Food pyramid
In a food chain, foxes consume rabbits and mice. If the mouse population suddenly decreases but the rabbit population stays the same, what could happen to the number of foxes?
The number of foxes could decrease because they will eat fewer rabbits.
The number of foxes could increase because they will only have rabbits to eat.
The number of foxes could increase because they will compete less for available food.
The number of foxes could decrease because they will compete more for available food.
Which best describes the role of a producer in an ecosystem?
A producer supplies energy for the consumers in the ecosystem.
A producer supplies oxygen for the consumers in the ecosystem.
A producer supplies water for the consumers in the ecosystem.
A producer supplies light for the consumers in the ecosystem.
Primary consumers get their energy from the sun.
True
False
What is a food web?
A web made out of food
a system of interlocking and interdependent food chains.
The food an animal likes to eat.
the top layer of an energy pyramid a primary consumer?
true
false
In this energy pyramid, which organisms have the most energy available?
Producers
Carnivores
Herbivores
Top Predator
In this energy pyramid, which organism has the least amount of energy available?
Producers
Herbivores
Carnivores
Top Predator
An autotroph is another word for a ________, meaning it needs to ________
Consumer, eat other animals
Consumer, eat other plants
Producer, make its own food
Producer, survive without water
An heterotroph is another word for a ________, meaning it needs to ________
Consumer, eat other organisms
Consumer, go through photosynthesis
Producer, make its own food
Producer, survive without water
Mushroom (Fungus)
Decomposer
Producer
Consumer
How many predators eat the rabbit for energy in this food web?
2
3
4
5
The population of foxes would decrease due to no food source.
How many producers are on this food web? Primary consumers?
2, 3
4, 3
3, 3
4, 2
A _________ is a special role that the organism plays in the ecosystem.
habitat
niche
ecosystem
food web
How are ecosystems disrupted?
Due to the care and excessive maintenances of natural spaces.
As a result of creating new natural resources.
Due to the occupation, pollution and destruction of natural spaces.
