NEW
Font size
WorksheetsFood webs and keystone
Total questions: 15
Worksheet time: 8mins
A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.
keystone
invasive
engineer
predator
A species that helps to manage prey populations, which in turn controls the ecosystem's producers (vegetation).
predator
keystone
engineer
mutualist
A plant is...
an autotroph
a heterotroph
a primary consumer
a carnivore
A person who eats a chicken that ate grain is a ...
primary producer
primary consumer
secondary consumer
quaternary consumer
A cow is...
a primary consumer
a heterotroph
an herbivore
all are correct
Autotrophs...
make their own food
are the base of the food chain
are primary producers
all are correct
A heterotroph...
is an autotroph
eats other organisms
is a primary producer
is an autotroph & a primary producer
As nutritional energy passes through the food chain, energy...
is lost
is gained
remains constant
increases, then decreases
All food webs and food chains begin with _________________.
primary consumer
producers
secondary consumers
tertiary consumers
Which organism is the carnivore?
