Invasive and Keystone Species

Front

What is an invasive species?

Back

An invasive species is a species that is not native to a specific location and can cause harm to the environment, economy, or human health.

Front

True or False: Invasive species can have a major impact on ecosystems.

Back

TRUE

Front

What does biodiversity refer to?

Back

Biodiversity refers to the variety of different species of plants and animals in an ecosystem.

Front

How has biodiversity changed from 1600 to 1959 according to historical data?

Back

Biodiversity has decreased.

Front

What is a keystone species?

Back

A keystone species is a species that has a disproportionately large effect on its environment relative to its abundance, often maintaining the structure of the ecosystem.

Front

Give an example of an invasive species.

Back

Examples of invasive species include the zebra mussel, Asian carp, and kudzu.

Front

What are some effects of invasive species on native species?

Back

Invasive species can outcompete native species for resources, introduce diseases, and disrupt food webs.

Front

Why is biodiversity important for ecosystems?

Back

Biodiversity is important because it enhances ecosystem productivity, stability, and resilience, allowing ecosystems to better withstand changes.

Front

What role do keystone species play in maintaining biodiversity?

Back

Keystone species help control prey populations and maintain the balance of the ecosystem, which supports a diverse range of species.

Front

What is the difference between native and non-native species?

Back

Native species are those that naturally occur in a specific area, while non-native species are introduced to that area and can become invasive.