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WorksheetsEcology- food chains and food webs
Total questions: 20
Worksheet time: 10mins
What is ecology?
the study of cells
the study of the atmosphere
the study of interactions of living organisms and their environment
the study of animal behavior
Which of the following is NOT a level of environmental organization?
biosphere
ecosystem
biotic
community
Which of the following is the smallest level of environmental organization?
Biosphere
Community
Population
Organism
What are abiotic factors?
the nonliving part of the environment
the living part of the environment
the part of the Earth where life exists
all the populations of species that live in the same habitat
Which of the following is NOT an example of an abiotic factor?
water
rocks
light
plants
What are biotic factors?
describes the living factors of the environment
describes the nonliving factors of the environment
the feeding relationships between organisms
describes how energy in food flows from one organism to another
Which is NOT an example of biotic factors?
trees
scorpion
snake
sunlight
What are producers?
organisms that use sunlight to make food
organisms that eat other organisms
an organism that eats only plants
an organism that gets energy by breaking down dead organisms
An example of a producer is
rabbit
cactus
temperature
bird
What is an herbivore?
an organism that eats only animals
an organism that eats only plants
an organism that eats both plants and animals
an organism that eats dead plants and animals
What is a carnivore?
an organism that eats only animals
an organism that eats only plants
an organism that eats both plants and animals
an organism that eats dead plants and animals
What is a scavenger?
an organism that eats only animals
an organism that eats only plants
an organism that eats dead plants and animals
an organism that eats both plants and animals
What is a decomposer?
an organism that eats only animals
an organism that eats dead plants and animals
an organism that gets energy by breaking down dead organisms
An example of a decomposer
bacteria
mice
grasshoppers
coyote
If a top predator like wolves were gone, an effect would be
people couldn't eat meat anymore
grassy areas would decrease
there would be more beavers
less trash outside
What is an organism?
one living thing
the living and non-living things in an area
a group of one specie all living together
The area of earth that has life
About how much energy transfers from 1 level to another on the energy pyramid?
75%
50%
90%
10%
A food chain is
a diagram that shows how energy in food flows from one organism to another
the living and non-living things in an area
all the populations of species that live in the same habitat
What is at the base of an energy pyramid?
carnivores
herbivores
producers
top predators
An energy pyramid shows
an ecosystem's loss of energy
only top predators
the part of the earth where life exists
only abiotic factors
