Ch. 7 Science Test

Front

What occurs when two or more organisms are trying to use the same resources?

Back

Competition: A struggle between organisms for the same resources such as food, water, and space.

Front

What is the nonliving part of an organism called?

Back

Environment: The nonliving surroundings that affect an organism, including air, water, soil, and climate.

Front

What type of organism eats both plants and animals?

Back

Omnivore: An organism that consumes both plant and animal matter.

Front

What provides energy for all living things?

Back

The sun: The primary source of energy for life on Earth, driving photosynthesis in plants.

Front

What is a population in an ecosystem?

Back

A population is all the organisms of the same species that live in a specific area.

Front

What is a habitat?

Back

Habitat: The natural environment where an organism lives, providing food, shelter, and mates.

Front

What is symbiosis?

Back

Symbiosis: A close relationship between two different species, which can be beneficial, harmful, or neutral.

Front

What is a food chain?

Back

Food chain: A sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

Front

What is a producer?

Back

Producer: An organism, usually a plant, that can make its own food through photosynthesis.

Front

What is a consumer?

Back

Consumer: An organism that cannot produce its own food and must eat other organisms for energy.