Animal Phylum

Animals

What are ANIMALS?

1. Many celled organisms that must get energy by eating other organisms.

a. Herbivores – animals that eat only plants

a. Carnivores – animals that eat other animals

b. Omnivores – animals that eat both plants and animals

Animals

2. Classified based on the presence or absence of a backbone.

a. Invertebrates – no backbone (95 % of all animals)

b. Vertebrates – backbone (only 5% of all animals)

Phylum Cnidaria – “Stinging Cells”

1. Invertebrates

2. All have Stinging cells – nematocysts

3. All marine

4. Simple organisms – just tissue, no organs

5. Examples: a. Jelly fish

b. Coral and Anemones

“Cnidarians”

Cnidarians

Phylum Annelida – Segmented Worms

1. Invertebrates with segmented body parts

2. Bristles (hairs) on body

3. Land and marine

4. Examples:a. Earthworms

b. leeches

“Annelids”

Annelids

Phylum Mollusks – Muscular foot

1. Invertebrates

2. Mantle – shells

3. Land and marine

4. Examples:a. Snails and slugs

b. Octopus and squid

c. clams

“Mollusks”

Mollusks

Phylum Echinodermata – “Spiny skin”

1. Invertebrates – no backbone

2. All Marine

3. Radial symmetry, 5 appendages and tube feet for suction

4. Examples:a. Sea stars, brittle stars

b. Sea cucumbers and sea lilies

c. sea urchins

“Echinoderms”

Echinodermata – “Spiny skin”

Echinodermata – “Spiny skin”

Phylum Arthropoda – “Jointed Appendages”

1. Invertebrates2. Exoskeleton of chitin3. Jointed appendages4. Land, marine and air

a. Most successful of all animals b. 75% of all organisms on earthc. Insects – 6 legsd. Arachnids – 8 legs

5. Examples:a. Insects and spidersb. Crabs and crustaceans

“Arthropods”

Arthropods

King Crab

Phylum Chordata – Backboned animals

1. Vertebrates

2. Endo skeleton – inside of body

3. Land, marine and air

4. Most diverse phylum, many different types

5. Examples: a. Amphibians

b. Fish

c. Reptiles and birds

d. Mammals (humans)

“Chordates”

Chordates

Questions

1. What phylum of organisms is the largest?

2. What phylum has radial symmetry and tube feet?

3. Arthropods have an exoskeleton made up of ?

4. Which phylums are vertebrates and which ones are invertebrates?