Page 31 - 01. Classification of living things - Biology Notes IGCSE

Answers:

A: Deerus magnus B: Deerus pestis C: Deerus octagis
D: Deerus purplinis E: Deerus deafus F: Deerus humpis

As seen above:

• the keys are mutually exclusive characteristics of biological
organisms.
• they often begin with general characteristics and lead to
more specific characteristics.
• you simply compare the characteristics of an unknown organism
against an appropriate dichotomous key.
• if the organism falls into one category, you go to the next indicated
couplet.

By following the key and making the correct choices, you should be able to
identify your specimen to the indicated taxonomic level.