Look at the food web below to answer the following question:
Which organism is both a primary and secondary consumer?
grizzly bear
butterflies
deer
grouse
In the food web, identify all the organisms that are primary consumers?
grasshopper
small bird
aphid
caterpillar
plants
fox
ladybug
In the food web, identify the top carnivore?
plants
aphid
ladybug
fox
Determine how much energy is transferred to the ladybug, if plants contain 50,000 calories
5000
50,000
500
5
Remora fish can attach themselves to larger aquatic animals, such as whales. When the whales eat, the fish detach themselves and eat leftover scraps of food. These fish do not harm or help the whales.
What is the ecological relationship between the remora fish and the whales?
competition
commensalism
parasitism
predation
The Karner blue butterfly has been listed as an endangered species since 1992. Karner blue butterfly larvae feed only on wild lupine plants, which require a habitat with dry soil and exposure to direct sunlight.
Which of the following would be the best habitat for wild lupine that could help Karner blue butterfly populations recover?
a mountain top that is covered in snow
a river bank that was flooded by high water
an open area in a forest that was cleared by fire
an isolated area in a jungle that has many large trees
The graph below shows the estimated number of orca whales off the coast of Washington State over a 20-year period
Which of the following best explains the orca population changes between 1996 and 2002?
The number of orcas born was less than the number of orcas that died.
The number of orcas emigrating was higher than the number of orcas immigrating.
The total number of orca births and immigrants was more than the total number of orca deaths and emigrants.
The total number of orca births and deaths was greater than the total number of orca immigrants and emigrants.
Question 18
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Question 25
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According to the food web, the frog is a
A. producer
B. secondary consumer
C. top carnivore
D. primary consumer
According to the food web, the tadpole is a
A. producer
B. secondary consumer
C. top carnivore
D. primary consumer
According to the food web, the kingfisher is a
A. producer
B. secondary consumer
C. top carnivore
D. primary consumer
The predator of the tadpole is
A. algae
B. frog
C. water beetle
D. small fish
The diagram below shows an energy pyramid for a lake ecosystem.Which of the following best describes the role of the perch in this energy pyramid?
A. producer
B. decomposer
C. primary consumer
D. secondary consumer
The diagram below shows an energy pyramid for a lake ecosystem.Which of the following best describes the role of the algae in this energy pyramid?
A. producer
B. primary consumer
C. secondary consumer
D. decomposer
The diagram below shows an energy pyramid for a lake ecosystem.Which of the following best describes the role of the zooplankton in this energy pyramid?
A. producer
B. primary consumer
C. decomposer
D. secondary consumer
If all the trees in the area were cut down, the energy supply of which population would be most directly affected?
