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WorksheetsEcosystems
Total questions: 20
Worksheet time: 20mins
A diagram that shows what an organism eats.
Food web
Food menu
Food chain
Food diagram
An organism that is always at the beginning of a food chain.
Grass
Producer
Predator
COnsumer
All energy on Earth comes from the (a)
An oat tree is an example of a
Producer
Consumer
Prey
Predator
The name given to an organism that feeds on other organisms. They do not make their own food.
Animal
Predator
Consumer
Decomposer
Consumer can be classified as
Herbivore
Carnivore
Predator
Omnivore
A giraffe is eaten by a lion.
Giraffe = producer. Lion = prey
Giraffe = predator. Lion = prey
Giraffe = herbivore. Lion = producer
Giraffe = prey. Lion = predator
Food chains are restricted to only 3 or 4 links as (a) is reduced each time.
The amount of energy passed on through a food chain.
1%
10%
100%
0.1%
Name a predator from this diagram.
Snake
Rabbit
Fox
Owl
The number of organisms of the same species living in the same area.
Pollution
Community
Population
Group
When levels of chemicals build up in organisms.
(a)
Interdependence is
how animals depend on each other to survive, grow and reproduce.
the way organisms depend on each other for food.
how organisms depend on each other to survive, grow and reproduce.
how animals and plants fight for resources.
A (a) is where an organism lives.
A (a) is all the organisms living in the same ecosystem.
All organisms have different functions in their ecosystems. This is known as the organisms ______.
Role
Tropic level
Niche
Function
When organisms compete for resources in limited supply.
(a)
Animals compete for...
Light
Territory
Food
Mates
Plants compete for light, space and water.
True
False
Which conclusion best describes the graph?
The hare population is always greater than the fox.
The population of fox and hare stayed constant from 1925 - 2005.
The population of hare and fox are increasing and decreasing at the same time.
The population of hare and fox increase and decrease depending on the number of prey and predators.
