Review for populations, communities, and ecosystems unit 5

Front

What is an invasive species?

Back

A non-native species that spreads widely in a new habitat and can cause harm to the environment, economy, or human health.

Front

Define sustainability in the context of ecosystems.

Back

The ability of an ecosystem to maintain biodiversity and production indefinitely without depleting resources.

Front

What is parasitism?

Back

A relationship between two organisms where one organism (the parasite) benefits at the expense of the other (the host).

Front

What type of plants are likely to be the first to return after a controlled burn?

Back

Grasses are typically the first plants to return after a controlled burn.

Front

What are pioneer species?

Back

The first species to colonize previously disrupted or damaged ecosystems, often leading to ecological succession.

Front

What is biodiversity?

Back

The variety of life in a particular habitat or ecosystem, including the number of different species.

Front

Define keystone species.

Back

A species that has a disproportionately large effect on its environment relative to its abundance, playing a critical role in maintaining the structure of an ecological community.

Front

What is the role of ecosystem services?

Back

The benefits that humans receive from ecosystems, including clean water, pollination, and climate regulation.

Front

Explain the concept of ecological succession.

Back

The process by which ecosystems change and develop over time, often following a disturbance.

Front

What is conservation?

Back

The sustainable management of natural resources to prevent exploitation, destruction, or neglect.