Lesson 2.2 Review: Classification

______ is the science of grouping living things based on shared characteristics.

• biology

• science

• taxonomy

• life science

Why do scientists group living things?

• To make them easier to study.

• To make sure that no organism is misplaced

• To help get rid of extinct organisms

• To create complicated charts of all species

How many levels of taxonomy are there?

• 1

• 3

• 5

• 7

What is the broadest (least specific) toxonomic level of classification?

• order

• class

• species

• kingdom

What is the most specific toxonomic level of classification?

• order

• class

• species

• kingdom

Which answer shows the correct taxonomic order from most specific to least specific?

• Order - Family - Genus-Species

• Kingdom-Genus-Phylum-Order

• Order-Class-Phylum-Kingdom

• Class- Family-Genus-Species

A tool that helps to identify an object by answering a series of questions is called a ________.

• Classifying tool

• Dichotomous Key

• Organism Guide

• Life Chart

What tree is leaf E from? (enlarge the picture to see the key)

• Pine

• Walnut

• Spruce

• Holly

What tree is leaf A from? (enlarge the picture to see the key)

• Oak

• Walnut

• Magnolia

• Elm

What tree is leaf C from? (enlarge the picture to see the key)

• Oak

• Walnut

• Magnolia

• Elm