Ecosystems

Front

What is an ecosystem?

Back

An ecosystem is a community of organisms, along with their nonliving, abiotic environment.

Front

What is parasitism?

Back

Parasitism is a type of symbiotic relationship in which one organism benefits and the other organism is harmed.

Front

List the five levels of environmental organization from largest to smallest.

Back

The five levels are: biosphere, ecosystem, community, population, organism.

Front

What is an autotroph?

Back

An autotroph is an organism that produces its own food, typically through photosynthesis. Example: oak tree.

Front

What are the three types of ecological pyramids?

Back

The three types of ecological pyramids are energy, number, and biomass.

Front

Define a community in ecological terms.

Back

A community is a group of different species that live together in one area.

Front

What is the role of producers in an ecosystem?

Back

Producers, or autotrophs, convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

What is a food chain?

Back

A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another.

Front

What is the difference between a population and a community?

Back

A population is a group of individuals of the same species living in a specific area, while a community includes multiple species.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem.