Complete the classification rule

Exercise and reference answers

Missing parts

1. Answer

   domains

   Choices

   1. domains
   2. kingdoms
   3. genera

2. Answer

   species

   Choices

   1. species
   2. phylum
   3. family

3. Answer

   homologous

   Choices

   1. homologous
   2. analogous
   3. vestigial

Complete the statement

There are three {0} at the top of the hierarchy; a two-word name uses genus and {1}; and structures sharing a developmental origin are {2}.

Instructions

Tap a word for each blank to complete the rule.

Explanation