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Which statement best describes relationships that exist in a food web?
Outline
Mosquitoes transmit the virus as hosts who feed on the blood of organisms and inject the virus during feeding.
tick
The impala population will decrease.
Crickets-prey, ants-predator
How does natural selection influence predator/prey relationships?
Producers can live independently of consumers, but predators must have prey to survive.
Diorama of a cougar chasing a deer
What organism represents a parasite in a terrestrial ecosystem food web?
Outline
Mosquitoes transmit the virus as hosts who feed on the blood of organisms and inject the virus during feeding.
tick
The impala population will decrease.
Crickets-prey, ants-predator
How does natural selection influence predator/prey relationships?
Producers can live independently of consumers, but predators must have prey to survive.
Diorama of a cougar chasing a deer
A group of students designs predator/prey models. Which model accurately represents this relationship?
Outline
Mosquitoes transmit the virus as hosts who feed on the blood of organisms and inject the virus during feeding.
tick
The impala population will decrease.
Crickets-prey, ants-predator
How does natural selection influence predator/prey relationships?
Producers can live independently of consumers, but predators must have prey to survive.
Diorama of a cougar chasing a deer
The Center for Disease Control publishes articles explaining the causes of seasonal West Nile virus. Research proves mosquitoes in freshwater ecosystems spread the disease to other organisms. How do they transmit the virus to other organisms?
Outline
Mosquitoes transmit the virus as hosts who feed on the blood of organisms and inject the virus during feeding.
tick
The impala population will decrease.
Crickets-prey, ants-predator
How does natural selection influence predator/prey relationships?
Producers can live independently of consumers, but predators must have prey to survive.
Diorama of a cougar chasing a deer
Leopards eat baboon and impalas in a terrestrial ecosystem. What prediction can be made if the baboon population begins to decrease because of disease?
Outline
Mosquitoes transmit the virus as hosts who feed on the blood of organisms and inject the virus during feeding.
tick
The impala population will decrease.
Crickets-prey, ants-predator
How does natural selection influence predator/prey relationships?
Producers can live independently of consumers, but predators must have prey to survive.
Diorama of a cougar chasing a deer
A science student observes the interaction of crickets and ants outside the school. Ants surround, cover, and eat crickets. What relationship exists between ants and crickets?
Outline
Mosquitoes transmit the virus as hosts who feed on the blood of organisms and inject the virus during feeding.
tick
The impala population will decrease.
Crickets-prey, ants-predator
How does natural selection influence predator/prey relationships?
Producers can live independently of consumers, but predators must have prey to survive.
Diorama of a cougar chasing a deer
Students are given cards containing information about several predator/prey and parasite/host relationships. Which question could be the focus of a comparative investigation?
Outline
Mosquitoes transmit the virus as hosts who feed on the blood of organisms and inject the virus during feeding.
tick
The impala population will decrease.
Crickets-prey, ants-predator
How does natural selection influence predator/prey relationships?
Producers can live independently of consumers, but predators must have prey to survive.
Diorama of a cougar chasing a deer
A student wants to list the producer/consumer and predator/prey relationships in an ecosystem. What would be the best way to organize these interactions?
Outline
Mosquitoes transmit the virus as hosts who feed on the blood of organisms and inject the virus during feeding.
tick
The impala population will decrease.
Crickets-prey, ants-predator
How does natural selection influence predator/prey relationships?
Producers can live independently of consumers, but predators must have prey to survive.
Diorama of a cougar chasing a deer
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