Ecosystems

All the organisms living together with their physical environment.

• Ecosystem
• Population
• Community
• Habitat

Abiotic factors are the living and once living parts of an ecosystem.

• True
• False

The living and once living parts of an ecosystem.

• Species
• Abiotic factors
• Biotic factors
• Population

An individual living thing is known as a(n)

• Species
• Population
• Community
• Organism

The primary thing a species needs is to be able to

• Live together
• Produce fertile offspring
• Produce food
• Live a long time

All the member of the same species that live in the same place at the same time.

• Ecosystem
• Habitat
• Population
• Community

A group of species that live in the same place and interact with each other is called a

• Population
• Community
• Habitat
• Species

The place an organism lives is called its

• Habitat
• Population
• Ecosystem
• Community

The unequal survival and reproduction that results from the presence or absence of particular traits.

• Evolution
• Adaptation
• Resistance
• Natural selection

A change in the genetic characteristics of a population from one generation to the next

• Natural selection
• Adaptation
• Evolution
• Artificial selection