Populations

A group of organisms so similar to one another that they can breed and produce fertile offspring.

• ecosystem
• population
• community
• species

All members of a species that live in the same geographic area.

• ecosystem
• population
• community
• species

The area where a species lives

• niche
• habitat
• community
• culture

How a species lives, its function in its environment.

• habitat
• niche
• ecosystem
• community

An organism's ___________ is influenced by biotic factors and abiotic factors.

• home
• habitat
• niche
• ecosystem

Food, predators, mates are examples of _______ factors.

• biotic
• abiotic

Temperature, sunlight, and water are examples of _______ factors.

• biotic
• abiotic

Predators ____________ niche diversity by decreasing prey population size.

• increase
• decrease

A predator that promotes a great niche diversity is called a _________ predator.

• keystone
• apex
• tertiary
• secondary

A predator without its own predator is called an _________ predator.

• keystone
• apex
• tertiary
• secondary