Food Web 1
Food Web 2
Food Web 3
Food Web 4
Food Web 5
100
Animals like a fox, a wolf, a tiger, and a lion are generally placed on the top of an energy pyramid. Why are these consumers not placed directly above producers?
A They are fewer in number.
B They are unable to use solar energy.
C They are carnivores.
D They are physically stronger than all other animals in the pyramid.
B. They are carnivores.
100
Use the diagram which shows a simple grassland food web to answer the question.
What will happen if snakes are removed from the food web?
A The population of lizards will increase.
B The population of rabbits will increase.
C The population of hawks will increase.
D The population of mice will increase.
The population of mice will increase.
100
An owl eats a mouse. Which word describes the mouse?
A carnivore
B consumer
C predator
D prey
Prey
100
An eagle catches and eats a fish for energy to survive. From where did the original energy come?
A water
B Sun
C soil
D oxygen
The Sun
100
In a forest ecosystem, a hawk is a predator, and its prey is a mouse. What will most likely happen if the number of hawks declines?
A The number of mice will barely decrease.
B The number of mice will greatly decrease.
C The number of mice will stay the same.
D The number of mice will increase.
The number of mice will increase.
200
The image shows an energy pyramid.
A student wants to add a population of herbivores to the energy pyramid. In which level should the population be placed?
A level R
B level S
C level T
D level U
Level S.
200
Use the diagram which shows a simple grassland food web to answer the question.
Which statement about the food web is true?
A Snakes feed on mice and lizards for food.
B Hawks feed on mice and snakes for food.
C Mice feed on grasses and lizards for food.
D Lizards feed on grasshoppers and rabbits for food.
Hawks feed on mice and snakes for food.
200
The diagram shows a food chain in a forest ecosystem.
Due to the spread of a disease in the beetle population, its population decreases significantly. Will this change have any effect on the population of snakes?
A Yes. Snakes will have fewer beetles to feed upon.
B No. Beetles are not eaten by snakes in the food chain.
C Yes. Lizards and birds, which are food for snakes, will decrease.
D No. Snakes are the top predators and remain unaffected by changes in the food chain.
Yes, lizards and birds, which are food for snakes, will decrease.
200
The diagram shows a terrestrial food web.
What is the role of the snake in this food web?
A consumer
B decomposer
C herbivore
D producer
A consumer.
200
The diagram shows the food web of an aquatic ecosystem.
Which population in the food web will be impacted first by a decrease in the large fish population?
A. aquatic insects
B. small fish
C. turtles
D. water fleas
Small fish
300
A student observes a diagram of an ecosystem surrounded by land in a textbook, as shown.
How should the student identify the ecosystem based on the community of organisms shown in the diagram?
A salt marsh
B river channel
C pond
D ocean
Pond
300
Producers can produce their own food using the Sun's energy. Which term describes the process used by producers to make their own food?
A photosynthesis
B pollination
C respiration
D transpiration
Photosynthesis
300
The largemouth bass feeds on small fish, snails, crayfish, and salamanders. What might be the role of the largemouth bass in a freshwater ecosystem?
A decomposer
B primary consumer
C producer
D secondary consumer
A secondary consumer.
300
The diagram shows a food web.
Which organisms in the food web obtain energy from the mouse?
A cricket and frog
B hawk and snake
C frog and snake
D rabbit and cricket
A hawk and snake
300
The list shows how different organisms in a pond habitat obtain energy.
Which food chain correctly represents the energy flow in the pond habitat?
A. snail → catfish → heron → algae
B. catfish → snail → algae → heron
C. algae → snail → catfish → heron
D. heron → catfish → snail → algae
algae → snail → catfish → heron?
400
The diagram shows the flow of nutrients within an aquatic food chain.
Which sets of organisms are considered consumers?Select ALL that apply.
A Set 1
B Set 2
C Set 3
D Set 4
E Set 5
Set 2, 3, and 4
400
The pictures show the parts of a food chain.
Which word describes the function of the oak tree?
A carnivore
B consumer
C herbivore
D producer
Producer
400
Use this food web to answer the question.
To which type of ecosystem does the food web belong?
A forest
B grassland
C lake
D salt marsh
A forest.
400
The diagram shows a food chain.
If the wheat plants die, what would happen to the mice population?
A The mice population would increase.
B The mice population would decrease.
C The mice population would remain about the same.
D The mice population would increase and then decrease.
The mice population would decrease.
400
What do the arrows in the food chain represent?
A age
B energy
C intelligence
D size
Eenergy
500
The diagram shows a simple food chain.
Which term best describes the roles of frogs and snakes in the food chain?
A consumers
B decomposers
C producers
D scavengers
Consumer
500
The diagram shows a food chain of the Pacific Ocean.
Which statement correctly explains the effect of a decrease in the number of sea otters on the food chain?
A. There would be a significant decrease in the population of sea urchins and kelp.
B. There would be a significant increase in the population of sea urchins and kelp.
C. There would be a significant increase in the population of sea urchins and a decrease in the population of kelp.
D. There would be a significant increase in the population of kelp and a decrease in the population of sea urchins.
There would be a significant increase in the population of sea urchins and a decrease in the population of kelp.
500
Analyze the food chain.
Which organism is a producer?
A Cougar
B Fox
C Grass
D Prairie Dog
Grass.
500
Imagine that the rainforest had received less rainfall than usual, what would be affected by this change first?
A carnivores
B consumers
C herbivores
D producers
Producers
500
Both a hawk and an owl have made homes on a large oak tree in the forest. What do you predict will happen?
A. They will share food.
B. They will compete for food.
C. They will eat different foods.
D. They will eat at different times.
They will compete for food