science flashcard Ms-Ls2-4 and 5

Front

Define ecosystem diversity

Back

Variation in an ecosystem, including habitats, communities, and ecological processes.

Front

What is ecological succession?

Back

Ecological succession is when an ecosystem changes; older occupants die out and newer organisms move in, thus changing the community of organisms in the ecosystem.

Front

How does lichen help develop an ecosystem?

Back

Lichen can grow on rock, breaking it up. When lichen dies, it deposits organic material in cracks, helping to form soil.

Front

Define genetic diversity.

Back

A variation of traits within a species.

Front

Define climax community.

Back

A community where the populations of plants or animals remain stable and exist in balance with each other and their environment.

Front

What is a habitat?

Back

The natural environment where an organism lives, including all living and non-living factors.

Front

What is biodiversity?

Back

The variety of life in the world or in a particular habitat or ecosystem.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is a producer in an ecosystem?

Back

An organism that can make its own food, typically through photosynthesis, such as plants.

Front

What is a consumer in an ecosystem?

Back

An organism that eats other organisms for energy, including herbivores, carnivores, and omnivores.