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Kingdom Animalia Characteristics

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Presentation on theme: "Kingdom Animalia Characteristics"— Presentation transcript:

1 Kingdom Animalia Characteristics
Heterotrophs Eukaryotic Multicellular No cell wall, no chloroplasts Motile Sense Organs

2 9 phyla we will mention Porifera—sponges
Cnidaria—jellyfish, sea anemones, coral Platyhelminthes—flatworms Nematoda—roundworms Annelida—earthworms Mollusca—shelled animals Arthropoda—insects, spiders Echinodermata—spiny-skinned Chordata—vertebrates (and others)

3 Phylum Porifera (sponges)
Asymmetrical Pores—filter feeders Not motile (sessile) Provide habitat for other animals Eaten by starfish and some fish Most primitive animal

4 Phylum Cnidaria (jellyfish, sea anemones, coral)
Digestive cavity called a coelenteron Radial symmetry Predators-feed on crustaceans Corals provide important habitat for fish Coral used for decoration and threatened by pollution All have stinging cells

5 Phylum Platyhelminthes (planarians, tapeworms, flukes)
Bilateral symmetry Cephalization- head and brain Acoelomate- no body cavity Incomplete digestive system (one opening) Some are parasites in digestive tract In early 1900’s models ate them to be thin—YUK!

6 Phylum Nematoda (roundworms)
Also called nematodes Complete digestive system-separate mouth and anus (2 openings) Pseudocoelomate Decomposers, predators (bacteria, inverts) Eaten by insects, mice Beneficial to garden by eating insects

7 Phylum Annelida (segmented worms)
i.e. earthworms, leeches True coelom Sensitive to vibrations on ground-rain Prey for robins, shrews, jays, snakes Leeches have cornified knobs to break skin, anticoagulant and anesthetic

8 Phylum Mollusca (shelled…sometimes)
i.e. snails, slugs, clams, mussels, scallops, oysters, octopus and squid Variety in form Giant squid = sea serpent Introduction of garden snails

9 Phylum Arthropoda (jointed legged animals)
i.e. insects, spiders and scorpions, shellfish (crustaceans), centipedes (1 pr legs per segment), millipedes (2 pr) Exoskeleton Metamorphosis Pheromones Molting

10 Phylum Echinodermata (spiny-skinned)
i.e. sea stars = starfish, sea urchins Water vascular system Tube feet Important predators

11 Phylum Chordata (includes the vertebrates)
i.e. fish, sharks, amphibians, reptiles, birds, mammals Notochord, nerve cord, gill slits, tail


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