8th Grade Science: Unit 08 Flashcards

Front

What is the term for 'a variety of organisms in an ecosystem or biome'?

Back

Biodiversity

Front

The changing sequence of communities that live in an ecosystem during a given time period.

Back

Ecological succession

Front

Term for 'a community interacting with its environment through a one-way flow of energy and the cycling of materials'.

Back

Ecosystem

Front

What is the term for 'a state of balance'?

Back

Equilibrium

Front

What is the term for 'a representation of several overlapping food chains in an ecosystem; includes the flow of energy from the Sun through producers to consumers and decomposers through multiple pathways'?

Back

Food web

Front

Term for 'a process that develops a biotic community in a previously uninhabited and barren habitat with little or no soil'.

Back

Primary succession

Front

Term for 'a process started by an event that reduces an already established ecosystem to a smaller population of species'.

Back

Secondary succession

Front

Ability to maintain ecological processes over long periods of time; ability of an ecosystem to maintain its structure and function over time

Back

Sustainability

Front

Non-living elements of the environment that influence the way organisms and ecosystems function

Back

Abiotic factor

Front

What is the term for 'living components of the environment that affect the ecosystem or other living things in the environment'?

Back

Biotic factor