Ecosystems revision

Which one of these is a biotic factor?

• sand

• table

• sun

• tree

Which one of these is an abiotic factor?

• algae

• cat

• sunlight

• tree

A species is which of the following:

• a group of one type of organism

• an individual living thing

• a group of different organisms living together

• different non-living things

Which term best fits what's being shown in the picture?

• organism

• population

• community

• different non-living things

Name the main abiotic factor represented in this picture

• water

• sunlight

• soil

• wind

Select the biotic factors in the picture from the options below (select all that apply)

• water

• turtle

• coral

• fish

• oxygen

What is the correct definition for an "Ecosystem"

• all the living things in a habitat

• all the non-living things in a habitat

• all the living and non-living things in a habitat

• all the living and non-living things interacting with each other in a habitat

Which organism interaction involves one organism being harmed and the other benefiting?

• competition

• predation

• mutualism

• parasitism

Which organism interaction involves organisms fighting over mates?

• competition

• predation

• mutualism

• parasitism

Clown fish eat any algae that grows in an anemone and the anemone has stingers that strike other organisms. What type of interaction is this?

• competition

• predation

• mutualism

• parasitism