WorksheetsFood Webs
Total questions: 16
Worksheet time: 41mins
Observe the food chain above. Which organism’s population would increase if finches were removed from the ecosystem?
Grass
Grasshopper
Snake
Hawk
How many predators eat the rabbit for energy in this food web?
2
3
4
5
A fire destroyed the habitat of the Houston Toad.
The loss of habitat for the Houston Toad most likely affected
the food web by -
causing a decrease in the number
of wildflowers
causing an increase in the number
of insects
causing a decrease in the number
of armadillos
causing an increase in the number
of opossums
Look at the food web of a pond ecosystem.
Which food chain shows the correct flow of energy in the pond
of the food web?
The diagram shows an incomplete food chain. Which of the following would best complete this food chain?
Producer
Consumer
Decomposer
Animal
Which is the correct transfer of energy or Food Chain?
Sun > prairie grass > deer > snake
Sun > plant seeds > robin > eagle
Sun > plant seeds > robin > mountain lion
Sun > plant seeds > field mouse > deer
How would the removal of earthworms from the food chain affect the other organisms?
The number of bass will increase.
The number of crayfish will decrease.
The crayfish will get their energy directly from the sun.
The number of bass and ospreys (bird) will increase.
The picture shows the energy flow through a meadow community. Which of the following would most likely occur to the populations within the community of organisms immediately after a wildfire burns the environment?
Hawks would increase and foxes would increase.
Hawks would decrease and foxes would increase.
Meadow plants would increase and rabbits would decrease.
Meadow plants would decrease and rabbits would decrease.
The population of foxes would decrease due to no food source.
If a disease kills most of the gazelles, what would happen to the zebra population?
The zebra population would decrease because the lions and cheetahs would eat more zebras.
The zebra population would decrease because the gazelles are eating less grass.
The zebra population would increase because the population of lions and cheetahs would increase.
The zebra population would not be affected by a change in the gazelle population
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
There would be a decrease in the small bird population.
There would be a decrease in the grass/flowers population.
There would be a decrease in the mice population.
There would be an increase in the grass/flowers population.
