Invertebrates

1
Invertebrates

• 8 main phyla
• No backbones
• 95 of all animals are in this group

2
Phylum Porifera

• simplest form of animal life
• live in water
• Do not move around
• Pores (holes) all over body
• 5000 species

3
Sponge
4
Phylum Cnidaria

• Live in water
• Most have tentacles
• catch food with stinging cells
• gut for digesting

5
Jellyfish
6
Anemone
7
Brain Coral
8
Coral
9
Phylum Platyhelminthes

• Flatworms
• Flat, ribbon-like body
• Live in water or are parasites

10
Flatworm
11
Tapeworm
12
Phylum Nematoda

• Roundworms
• Round, tubular body
• small or microscopic
• Live in water or are parasites

13
Trichinella
14
Hookworm
15
Phylum Mollusca

• Soft bodies
• Some have Hard Shells
• Live on land or in water
• have a circulatory system and a complex nervous
  system.
• Important food source for humans

16
Slug
17
Snail
18
Clam
19
Octopus
20
Squid
21
Phylum Annelida

• Segemented worms
• Body divided into segments(sections)
• Live in water or underground
• have a nervous and circulatory system

22
Bristle Worm
23
Leech
24
Earthworm
25
Phylum Echinodermata

• Hard, spiny skin
• Live in salt water
• name means spiney skinned
• endoskeleton

26
Sand Dollar
27
Sea Urchin
28
Starfish
29
Phylum Arthropoda

• Body divided into sections/segments
• Exoskeleton
• Jointed legs
• well developed nervous system
• largest group of organisms on earth

30
Horseshoe Crab
31
Spider
32
Barnacles
33
Lobster
34
Monarch Butterfly
35
Leaf Cutter Ant
36
Bee
37
Centipede
38
Millipede
39
Phylum Chordata - Vertebrates

• 5 classes
• Fish
• Mammals
• Reptiles
• Amphibians
• Birds

40
Lizard
41
Turtle
42
Tiger
43
Shark
44
Humming Bird
45
Gecko
46
Frog
47
Clownfish
48
Cow
49
Chimpanzee
50
Peacock