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WorksheetsPrinciples of Ecology
Total questions: 13
Worksheet time: 10mins
Which of the following can be both primary and secondary consumers?
detritivores
herbivores
carnivores
omnivores
Chemosynthesis is the process in which organisms
form carbohydrates using chemicals.
get energy by eating other organisms.
use energy from the sun to form carbohydrates.
make chemicals that absorb sunlight.
A model that shows a single sequence of feeding relationships is called a
food web
food chain
feeding chain
trophic level
Which of the following provide most of the energy in ecosystems?
keystone species
carnivores
producers
generalists
Decomposers are important to ecosystems because they
can act as omnivores.
capture energy from the sun.
are producers.
return vital nutrients back to the environment.
Food webs are models that show
Only primary consumers in an ecosystem.
Networks of feeding relationships.
Stored energy in food chains.
One sequence of producers and consumers.
A food chain contains oak trees (producer), mice (herbivore), black rat snakes (carnivore), and bald eagles (carnivore). How many trophic levels does this food chain have?
four
three
two
one
Giant pandas eat bamboo almost exclusively. For this reason, giant pandas are an example of a(n)
carnivore
omnivore
generalist
specialist
The temperature, rainfall, and soil/sand in an ecosystem would all qualify as
a whole ecosystem
abiotic factors
biotic factors
living things
A group of gray wolves living in Minnesota is an example of
a community
a biome
an ecosystem
a population
Which phrase best describes biodiversity?
the amount of available energy in an ecosystem
the number of individuals in an ecosystem
the number of species in an ecosystem
the amount of biomass in an ecosystem
An ecosystem consists of
the soil, water and weather.
a community of organisms.
energy.
all of the above.
A group of organisms of different species living together in a particular place is called a
A. community. C. biome.
B. population. D. habitat.
biome
population
community
habitat
