WorksheetsFood Web Practice
Total questions: 25
Worksheet time: 25mins
Arrows represent ______________
flow of organisms
what eats what
flow of energy
percent of energy
What is the primary consumer?
grass
grasshopper
mouse
snake
red hawk
What is the producer?
grass
grasshopper
mouse
snake
red hawk
Which organism is a primary consumer in the above diagram?
deer
snake
hawk
shrew
What does a food web represent?
All connections of energy flow throughout all organisms in a habitat.
The specific ways that mutualism is carried out.
A single pathway or energy flow between organisms.
How carnivores get their food.
In this food web, which three organisms would be immediately harmed if the mouse population declined?
Which organism is a secondary consumer in the above diagram?
deer
rabbit
squirrel
shrew
Which organism is at the 3rd trophic level?
grass
grasshopper
mouse
snake
red hawk
What percentage of energy is transferred from one trophic level to the next?
1%
10%
90%
100%
What is the tertiary consumer?
grass
grasshopper
mouse
snake
red hawk
What is the secondary consumer?
grass
grasshopper
mouse
snake
red hawk
What is the 4th order consumer?
grass
grasshopper
mouse
snake
red hawk
What is the decomposer?
sun
grasshopper
water
snake
mushrooms
Energy that is not passed from one trophic level to the next is usually lost as?
sugar & undigested food
waste & heat
food & sugar
heat & sugar
Which organism is NOT a producer?
grass
tree
grasshopper
shrub
Where does the rabbit get its energy from?
snake
shrub
cricket
robin
Which of the following statements is true of this Waterbird Food Web?
The bald eagle preys upon the wading birds
Small Planktivorous Fish are omnivores
Wading Birds are herbivores
Sea Ducks are predators to Tundra
The skylark meadow pipit is a predator to how many organisms?
4
5
6
7
What is the ultimate source of energy?
food
plants
sun
sugar
Which organism gives its energy to 4 organisms?
grass
fungi
shrub
grasshopper
Which organism is a decomposer?
Grasshopper
Cranefly
Ant
Mayfly
In a food web, which of the following organisms is most likely to be a primary consumer?
Grasshopper
Snake
Hawk
Mushroom
Which of the following best describes the role of decomposers in a food web?
They produce energy through photosynthesis.
They consume primary consumers.
They break down dead organisms and recycle nutrients.
They are at the top of the food chain.
In a marine food web, which organism is most likely to be a producer?
Phytoplankton
Shark
Jellyfish
Crab
If a pesticide is introduced into an ecosystem, which level of the food web is likely to be affected first?
Producers
Primary consumers
Secondary consumers
Tertiary consumers
