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WorksheetsEnergy Flow and Succession in Ecosystems
Total questions: 16
Worksheet time: 8mins
An ecosystem contains organisms interacting with each other and their physical environment. Which of these is the BEST indicator of a healthy ecosystem?
There are few decomposers.
There are many different species.
There are few herbivores.
There is a large population of only one species.
What is an abiotic factor found in a Desert Ecosystem?
sand
Both (B) and (C)
temperature
cacti
Which of the following is a biotic part of the forest?
rocks
Both (B) and (C)
water
trees
_______ is the source of energy for almost all living things.
Food
Water
Oxygen
Abiotic are all of the __________ components in an ecosystem.
Organism
Community
Living
Moose are grazing animals. They eat grass. If there were too many moose in an area, there would probably be...
tall shrubs
many other large grazing animals
fewer predators of bison
less grass and more bare soil
What is the definition of a food chain?
All the plants and animals that live in the same area and interact with one another.
The maximum population size of a species that the environment can sustain.
One possible path of energy within the ecosystem.
A fallen tree branch would be considered abiotic.
True
False
What is an ecosystem?
A system to stop pollution
All of the biotic and abiotic factors in an area that interact with each other.
Largest number of individuals an ecosystem can support
Environmental factors that limit the success of a population
Using the energy pyramid, which level would store the most energy?
Tertiary Consumers
Primary Consumers
Secondary Consumers
Producers
Using the energy pyramid, which level gets the most energy directly from the producers?
Tertiary Consumers
Secondary Consumers
Primary Consumers
Producers
What happens if a predator is removed from a food web?
All organisms in the web die
No effect on the food web
The organisms it preyed on may overpopulate
Plants will overpopulate
In a food web, organisms that are eaten by many other organisms are usually...
Carnivores
At the top of the food web
Higher in the food chain
Lower in the food chain
Why is it not possible for food webs to have just one type of organism?
Organisms always prefer variety
Organisms depend on different types of organisms for energy
It's morally wrong
It's against the law of nature
What does a predator do in a food chain?
It only eats plants
It gets eaten by other animals
It is never eaten
It hunts and eats other animals
What is an example of a prey in an ecosystem?
Eagle
Lion
Fox
Rabbit
