Basics of Ecology

Living parts of the ecosystem are known as

• biotic factors

• abiotic factors

• decomposers

• producers

All the organisms that live in a places together along with the physical environment

• biome

• community

• biosphere

• ecosystem

An organism that eats only plants is known as a(n)

• omnivore

• carnivore

• herbivore

• detritivore

Organisms that obtain energy by eating other animals are known as a(n)

• omnivore

• carnivore

• herbivore

• decomposer

These organisms commonly digest decomposers that live on and in detritus, an example is an earthworm.

• decomposer

• detritivore

• scavenger

• porducer

A food web shows

• all the possible feeding relationships in an ecosystem

• shows the relative numbers of organisms in an ecosystem

• shows the available energy at each trophic level

• shows the amount of biomass at each trophic level

An apple tree is an example of a(n)

• producer

• consumer

• decomposer

• detritivore

A group of ecosystems that share similar climates and typical organisms is a

• biosphere

• community

• biome

• ecosystem

A group of individuals that belong to the same species and live in the same is

• population

• community

• biome

• ecosystem

Another name for a heterotroph is

• producer

• primary producer

• consumer

• autotroph