Role of Organisms and Flow of Energy Review

Role of Organisms and Flow of Energy Review

Multiple Choice

A(n) __________________ is all of the living and non-living things in a particular environment.

• rain forest

• habitat

• organism

• ecosystem

Multiple Choice

All of the living things in a particular ecosystem are called ___________.

• biotic factors

• abiotic factors

Multiple Choice

Abiotic factors are all of the ____________ things in an ecosystem.

• living

• non-living

Multiple Choice

Organisms that live in water are aquatic organisms and organisms that live on land are ________ organisms.

• abiotic

• terrestrial

• symbiotic

• parasitic

Multiple Choice

A ___________ is all of the organisms of one kind.

• population

• community

• species

Multiple Choice

A ___________ is all of the organisms of the same species in an ecosystem.

• population

• species

• community

Multiple Choice

A ____________ is all of the populations of organisms in an ecosystem.

• population

• community

• species

Multiple Choice

In an ecosystem, producers use sunlight to make their own food and _____________ eat them to survive.

• carnivores

• consumers

• decomposers

• plants

Multiple Choice

Sunlight is the first link in the _____________.

• food chain

• ecosystem

• population

• biosphere

Multiple Choice

When multiple food chains overlap, it is called a ______________.

• ecosystem

• population

• food web

• biotic factor

Multiple Choice

________________ are places in an ecosystem where an organism lives.

• Niches

• Habitats

• Links

• Omnivores

Multiple Choice

Each organism has a special role in an ecosystem. This is called its ___________.

• habitat

• niche

• omnivore

• link

Multiple Choice

The fight for limited resources in an ecosystem is called _______________.

• competition

• food race

• limiting factor

• food web

Multiple Choice

A relationship between two types of organisms that lasts over time is _____________. Examples of this are mutualism, commensalism, and parasitism.

• symbiosis

• photosynthesis

• abiotic factors

• population

Multiple Choice

An organism that is introduced either accidentally or on purpose to a new ecosystem is a(n) _______________.

• alien species

• invasive species

• abiotic species

• space invader