Unit #6 Test: Ecosystems

_____ provides the molecules that serve as fuel and building materials for its organisms.

• Consumer

• Food

• Producer

• Sun

A place where an organism lives is its

• Competition

• Habitat

• Niche

• Predation

The way a species interacts with abiotic and biotic factors to fulfill its needs is its

• Competition

• Habitat

• Niche

• Predation

The demand for the same resources, such as food, water, and shelter

• Competition

• Habitat

• Niche

• Predation

Both partners benefit from the relationship (+,+)

• Commensalism

• Mutualism

• Parasitism

• Predation

Benefits one species and harms the other (+,-)

• Commensalism

• Mutualism

• Parasitism

• Predation

Benefits one species, but does not harm or benefit the other (+.0)

• Commensalism

• Mutualism

• Parasitism

• Predation

Feed only on producers:

• Carnivore

• Decomposer

• Herbivore

• Omnivore

Nonliving things:

• Abiotic

• Biotic

• Community

• Population

All the organisms of the same species that live in the same area at the same time:

• Abiotic

• Biotic

• Community

• Population