Science Topic 7 lesson 4

Front

What is the role of a netted chair fern in the environment?

Back

A netted chair fern helps prevent soil erosion by keeping soil from washing away.

Front

What happens to the deer population if the population of wolves decreases?

Back

If the population of wolves decreases, the deer population is likely to increase due to reduced predation.

Front

Give an example of an animal that can be harmful to the environment.

Back

Carpenter ants can be harmful to the environment as they eat wood in people's homes.

Front

Why do animals like coyotes and deer often appear in urban areas?

Back

Animals like coyotes and deer appear in urban areas because they compete for space with humans, who move into their habitats.

Front

What is the definition of 'environment' in the context of organisms?

Back

The environment provides resources necessary to satisfy the needs of organisms.

Front

What is the relationship between predator and prey populations?

Back

As the population of predators increases, the population of prey typically decreases due to increased predation.

Front

How can human activities impact animal populations?

Back

Human activities can lead to habitat loss, competition for resources, and changes in animal behavior.

Front

What is soil erosion and how can it be prevented?

Back

Soil erosion is the washing away of soil, which can be prevented by plants like ferns that stabilize the soil.

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity contributes to ecosystem stability, resilience, and the provision of resources.

Front

How do invasive species affect local ecosystems?

Back

Invasive species can disrupt local ecosystems by outcompeting native species for resources.