The Animal Kingdom

Characteristics

Has no nervous system.

filter feeders.

Reproduce sexually or asexually

Example Organisms

Hexactinellid

Demosponge

Characteristics

tentacles with stinging cells

aquatic

two body layers

Example Organisms

Starfish

Jellyfish

Characteristics

body is soft and unsegmented.

three layers.

Body is covered by a mantle and shell.

Example Organisms

squid

scallops

Characteristics

triploblastic

marine animals

Example organism

Sea urchin

Sea cucumber

Characteristics

soft-bodied

living on or in another organism

Free- Living

Example Organism

tapeworms,

flatworms

Characteristics

Simple Digestive System.

Protective Cuticle

Parasitism & Crytobiosis.

Example organism

hookworms

pinworms

Characteristics

Body wall

Nervous system

Nervous system

Example organism

Leech

Earthworm

antennae

exoskeleton

three pairs of legs.

Example Insects

Ant

Beetle

exoskeleton

segmented

well-developed head.

arachnids examples

Ticks

Spider

two compound eyes

two pairs of antennae

pair of green glands

Example Crustaceans

Crab

Krill

Many pairs of legs

Simple eyes.

Simple eyes

Myriapods Examples

Symphyla

Centipedes

Gills

Breathe Underwater

Detect Nearby Movements

Fish examples

Guppy

Goldfish

cold-blooded animals

moist, scaleless skin

absorbs water and oxygen

Subtopic

backbone

scales or scutes

feathers.

fly

Sweat glands.

hair or fur.