Review dichotomous keys

What is the definition of a dichotomous key?

• a tool used by animals to unlock the minds of humans

• a tool used for cutting an organism

• a tool used for creating something that goes into a lock

• a tool used to identify an organism

When using a dichotomous key there are 2 forms, select either answer.

• written couplets

• chart form

• lock form

• key form

If you are using a dichotomous key and the first selection asks if the organism is prokaryotic, what would be the other opposite selection in the key?

• is it autotrophic

• is it unicellular

• is it eukaryotic

• is it heterotrophic

The kingdom Protista is eukaryotic, heterotrophic or autotrophic and

The kingdom that is prokaryotic, unicellular and lives everywhere is

• Archaebacteria

• Protista

• Fungi

• Eubacteria