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WorksheetsFood Web
Total questions: 20
Worksheet time: 9mins
what is the study of the interactions among organisms and between organisms and their environments called?
ecology
biology
global warming
biodiversity
which of the following is not a consumer
grasshopper
grass
zebra
bear
what does every food chain start with
sun
grass
air
bird
What percentage of energy is passed on to each trophic level?
10%
20%
100%
55%
which of these is an example of an autotroph?
water bottle
dirt
butterfly
sunflower
a frog eats a fly. The frog and fly are demonstrating___________
the water cycle
a frog and a fly
predator/prey
nothing
a connection of food chains with many food energy paths in an ecosystem is a ___________
ecosystem
food web
biology
water cycle
energy increases as you move up the food pyramid (from bottom to top
true
false
Birds eat insects off the skin of cows. If the relationship is a type of mutualism, then the organisms that will benefit are
only the cattle
neither the birds or the cattle
both the birds and the cattle
only the birds
a deer population has significantly increased, the best hypothesis is
the deer's main predator has been eliminated
competition increased
decreased water levels of local ponds
organisms that rely on similar food sources migrated to the area
an example of producer consumer relationship would be
lion eating a deer
grasshopper getting energy from grass
hawk getting energy from snakes
earthworm breaking down dead material
an organism that can produce its own food through photosynthesis
consumer
heterotroph
autotroph
herbivore
a system of food chains that shows the transfer of energy is termed
food web
food chain
prey
predator
Commensalism is
one species benefits, the other is not affected
both species benefit
both species are harmed
one species benefit, the other is harmed
All energy transformations in an ecosystem begin with
a scavenger
the sun
a decomposer
a herbivore
Which relationship describes predator/prey
hawks and shrubs
mountain lion and deer
frogs and trees
grasses and crickets
Biodiversity is
the variety of species within an ecosystem
a large number of the same species in an ecosystem
an abundant amount of the same primary consumers
the ability to have an abundant source from the same species
Which is the smallest level of an ecosystem?
organism
population
community
ecosystem
Which event is the best example of competition between species in a pond?
dragonflies landing on lily pads
lizards and snakes lying in the sun
hawks eating mice
frogs and toads eating flies
Consumer that eats plants
heterotroph
herbivore
producer
community
