Populations & Resources Chapter 1 Flashcard

Front

What is a NONLIVING part of an ecosystem?

Back

A NONLIVING part of an ecosystem includes elements like rocks, water, and air. Example: Pebbles.

Front

What is a LIVING part of an ecosystem?

Back

A LIVING part of an ecosystem includes organisms such as plants and animals. Example: Trees.

Front

What does it mean if a population size STAYS STABLE?

Back

It means that the number of organisms remains constant, even if some are born and some die.

Front

What is a 'population' in ecological terms?

Back

A population refers to a group of individuals of the same species living in a specific area.

Front

What happens when a population is STABLE?

Back

When a population is stable, it stays mostly the same over time.

Front

What are biotic factors in an ecosystem?

Back

Biotic factors are the living components of an ecosystem, such as plants, animals, and microorganisms.

Front

What are abiotic factors in an ecosystem?

Back

Abiotic factors are the nonliving components of an ecosystem, such as sunlight, temperature, and soil.

Front

How do births and deaths affect population size?

Back

If the number of births equals the number of deaths, the population size can remain stable.

Front

What is an example of a biotic interaction?

Back

An example of a biotic interaction is predation, where one organism eats another.

Front

What is carrying capacity?

Back

Carrying capacity is the maximum number of individuals of a species that an environment can support sustainably.