animal kingdom overview. what makes it an animal? eukaryotic – has a nucleus multicellular...

Animal Kingdom Animal Kingdom OverviewOverview

What Makes It An Animal?What Makes It An Animal?

• Eukaryotic – has a nucleusEukaryotic – has a nucleus

• MulticellularMulticellular

• Specialized cells that form tissue and Specialized cells that form tissue and organs.organs.

• No cell wallsNo cell walls

• Most have a way to move that helps Most have a way to move that helps them reproduce, obtain food and them reproduce, obtain food and protect themselves.protect themselves.

Types of AnimalsTypes of Animals

• Invertebrates – no backboneInvertebrates – no backbone

• Vertebrates - backboneVertebrates - backbone

SpongesSponges

• Tissue level of Tissue level of organization.organization.

• No organs.No organs.

• Filter feedersFilter feeders

CnidariansCnidarians

• Named for the Named for the stinging cells that stinging cells that they use to capture they use to capture foodfood

• Jellyfish, coral, sea Jellyfish, coral, sea anemone and anemone and hydrahydra

FlatwormsFlatworms

• Flat, solid body.Flat, solid body.

• No body cavity.No body cavity.

• One opening, food One opening, food enters and leaves.enters and leaves.

• Parasitic Parasitic tapewormstapeworms

RoundwormsRoundworms

• Tube-like digestive system.Tube-like digestive system.

• Free-living some are parasitic.Free-living some are parasitic.

• Heart worms in dogs, hook worms Heart worms in dogs, hook worms and pin worms.and pin worms.

MollusksMollusks

• Slugs, snails, clams, squids and Slugs, snails, clams, squids and octopuses.octopuses.

• Digestive tract with two openings.Digestive tract with two openings.

• Muscular foot for movement.Muscular foot for movement.

• Mantle that surrounds the internal Mantle that surrounds the internal organs.organs.

Segmented WormsSegmented Worms

• Cylindrical bodyCylindrical body

• Digestive tract with Digestive tract with two openings.two openings.

• Earthworms, Earthworms, leeches.leeches.

ArthropodsArthropods

• Tough outer covering called Tough outer covering called exoskeleton.exoskeleton.

• Jointed appendages that are used for Jointed appendages that are used for walking, sensing, feeding and mating.walking, sensing, feeding and mating.

• 2 out of every 3 animals on earth are 2 out of every 3 animals on earth are arthropods.arthropods.

• Spiders, crabs, lobster, shrimp, crayfish, Spiders, crabs, lobster, shrimp, crayfish, centipedes, millipedes and insects.centipedes, millipedes and insects.

EchinodermsEchinoderms

• Hard bumpy, spiny Hard bumpy, spiny endoskeleton endoskeleton covered with a thin covered with a thin epidermis.epidermis.

• Move with tiny, Move with tiny, suction-cup like suction-cup like tube feet.tube feet.

• Sea cucumbers, Sea cucumbers, sea stars.sea stars.

Welcome to the Welcome to the Vertebrates!Vertebrates!

FishesFishes

• Ectotherm – Ectotherm – temperature temperature depends on an depends on an external heat external heat source.source.

• Two chambered Two chambered heartheart

• Breath through Breath through gills.gills.

AmphibiansAmphibians

• EctothermEctotherm• 3 chambered heart3 chambered heart• LungsLungs• Thin, moist skinThin, moist skin• Adults mainly live on Adults mainly live on

land.land.• Many go through Many go through

metamorphosismetamorphosis• Frogs, toads, Frogs, toads,

salamanderssalamanders

ReptilesReptiles

• EctothermEctotherm

• Dry, scaly skinDry, scaly skin

• Clawed toesClawed toes

• Most have a 3 Most have a 3 chambered heart.chambered heart.

• Snakes, lizards, Snakes, lizards, turtles, crocodiles turtles, crocodiles and alligators.and alligators.

BirdsBirds

• Only class with Only class with feathers.feathers.

• Scales on feet, Scales on feet, clawed toes.clawed toes.

• Endotherm – Endotherm – maintain constant maintain constant body temperature.body temperature.

MammalsMammals

• EndothermEndotherm

• Most have hairMost have hair

• Produce milk to Produce milk to feed youngfeed young

• 4 chambered heart4 chambered heart

References References

• Citation (MLA)Citation (MLA)Sponges: Porifera. United Learning. 2002.Sponges: Porifera. United Learning. 2002.Discovery Education. 7 May 2009Discovery Education. 7 May 2009<http://streaming.discoveryeducation.com/> <http://streaming.discoveryeducation.com/>

• Citation (MLA)Citation (MLA)Phylum Arthropoda: Arthropods, the Joint-Legged Animals. United Learning. Phylum Arthropoda: Arthropods, the Joint-Legged Animals. United Learning. 2002.2002.Discovery Education. 8 May 2009Discovery Education. 8 May 2009<http://streaming.discoveryeducation.com<http://streaming.discoveryeducation.com

• Citation (MLA)Citation (MLA)Sea Stars: Unique Physical Structures and Propulsion System, the Water Sea Stars: Unique Physical Structures and Propulsion System, the Water Vascular System . Aims Multimedia. 1993.Vascular System . Aims Multimedia. 1993.Discovery Education. 8 May 2009Discovery Education. 8 May 2009<http://streaming.discoveryeducation.com/> <http://streaming.discoveryeducation.com/>

• Citation (MLA)Citation (MLA)Amphibians. 100% Educational Videos. 2002.Amphibians. 100% Educational Videos. 2002.Discovery Education. 8 May 2009Discovery Education. 8 May 2009<http://streaming.discoveryeducation.com/> <http://streaming.discoveryeducation.com/>