UNIT 3 ecosystems

They make their own food through photosynthesis.

• producers

• consumers

• decomposers

They feed on other living organisms.

• producers

• consumers

• decomposers

They get the nutrients they need from dead organic matter.

• producers

• consumers

• decomposers

Plants, animals and other living organisms, including physical components form an ............ .

............. is the place where a particular plant or animal species grows or lives.

Food ............ show the feeding relationship of organisms in an ecosystem.

• chains

• webs

Carnivores are ....... consumers.

• primary

• secondary

• tertiary

it´s the relationship that benefits both species.

• comensalism

• mutualism

• parasitsm

• competition

it´s the relationship that benefits one species but doesn´t affect the other.

• comensalism

• mutualism

• parasitsm

• competition

it´s the relationship that harms one species and benefits the other.

• comensalism

• mutualism

• parasitsm

• competition