WorksheetsEcological Roles
Total questions: 15
Worksheet time: 15mins
It is the diagram of feeding relationships that includes multiple intersecting food chains
Food web
Food chain
Producer and consumer
symbiosis
Which of the following are the primary consumers?
producers
carnivores
omnivores
herbivores
Which of the following belongs to last step in food chain ?
decomposers
carnivores
omnivores
herbivores
Which of the following are also known as the Apex Predators ?
Primary consumers
Secondary consumers
tertiary consumers
quaternary consumers
Which of the following does not describe a secondary consumer?
herbivore
carnivore
omnivore
Which of the following describes a tertiary consumer?
herbivore
carnivore
omnivore
Which of the following correcty shows the energy flow in an ecosystem?
sun > producers > consumers > decomposers
sun > consumers > producers > decomposers
producers > sun > decomposers > consumers
sun > producers > decomposers > consumers
Which of the following would occupy the highest trophic level?
grass that grows in the meadow
rat that eats rice in the ricefield
eagle that eats snake
snake that eats rat
If not all of the energy is passed on to the next trophic level, where did those remaining energy go?
used by the organism to live and some are released as heat
goes back to the sun through the decomposers
released to the lower trophic levels
Which group of organisms in the energy pyramid has the greates amoount of availabke energy?
herbivores
apex predators
producers
consumers
In this food chain, plants >insects > frogs > snakes, how much energy is received by the decomposers when the snake dies?
10%
0.01%
1%
0.1%
Which of the following are organisms that can make their own food?
consumers
detritivores
producers
decomposers
What is the role of decomposers in an ecosystem?
They produce energy through photosynthesis
They consume primary producers
They break down dead organisms and recycle nutrients
They compete with primary consumers for food
Which of the following best describes a keystone species?
A species that is the most abundant in an ecosystem
A species that has a disproportionately large impact on its environment relative to its abundance
A species that is at the top of the food chain
A species that is the primary producer in an ecosystem
In a food web, what is the primary role of herbivores?
To decompose organic matter
To convert solar energy into chemical energy
To consume plants and transfer energy to higher trophic levels
To act as apex predators
