Chapter 1 – Structure of Living Things

Lesson 3 – Diversityof Organisms

How are living thingsgrouped together?

Scientists classify all livingthings (put them into groups).

There are six groups called kingdoms. A kingdom is thebroadest group into which livingthings are classified.

How are living thingsgrouped together?

The six kingdoms:

Animal Protist

Plant Ancient Bacteria

Fungus TrueBacteria

The AnimalKingdom

All animals:are many-celled

get energy from eating otherliving things

The AnimalKingdom

Animals are divided into twosmaller groups:

vertebrates(with a backbone)invertebrates (without a backbone)

The PlantKingdom

All plants:are many-celled

can produce their own food

The PlantKingdom

Plants are divided into twosmaller groups:

vascular plants (plants with tubes)

nonvascular plants(plants without tubes) Moss

The FungusKingdom

All fungi (plural of fungus):are one-celled or many-celledcannot make their own foodabsorb food from deadorganisms around them

mushrooms mold

The BacteriaKingdoms

All bacteria:are one-celled

do not have a nucleus

The BacteriaKingdoms

Bacteria are divided into twokingdoms:

Ancient Bacteria(found in hot springs and saltwater environments)True Bacteria(found in and on otherorganisms; can cause disease)

The ProtistKingdom

Protists:don’t fit into other kingdoms can have one or many cellssome make their own foodsome eat other living thingssome break down dead organisms

Seaweed, bacteria, and mold images courtesy of Wikimedia

Commons. All other images courtesy of Microsoft Office

Online.