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notes animal
animals
Question | Answer |
---|---|
invertebrates | have no back bone,worm squid spiders |
vertebrates | Has a back bone or a spine,frogs,bears,alligaters |
sponges | phylum poreifera, they take in food through their poors and they are the simplist form of vertebrates |
Cnidarinas | All cnidarinas have tentecles covered with stinging cells.They use their stinging cells to protect them and get food, ex: Jellyfish, hydrozoans |
flat worm | Planarians, Fluckes, Tapeworm |
mollusks | Snails, slugs, clam, squide and octopuses |
Arthropods | Centipedes and millpedes |
crustaceans | shrimp, barnacles, crab, lobsters |
insects | lots of bugs |
arachnid | spiders, mites, ticks, scorpions |
exoskeleton | support and protects their body from outside |
molting | Arthropods shedding their exoskeleton, they do this to grow and repair |
insects have | three main body parts, six legs and two antennae |
Echinoderms | re spiny invertebrates that live in the ocean. Sea stars, sea urchine, and sand dallors are some familiar members of this group |
All ivertebrates | are in the phylum chordates |
Fish | Reproduction; lay eggs in the water Organ that keeps them afloat:awim bladder Body tempter: cold blooded Breathe: Through gills |
Cartilaginous Fish | Sharks and fish |
amphibins | Spend part of their lives in the water and on the land Frogs, toads and salamanders (ceacilians and newts also) Cold blooded must live near water keeps skin most to reproduce(lay eggs) |
Reptiles Turtles, snakes, Alligators, lizards | They do not have to return to the water to lay eggs like amphinians cold blooded- body temp changes (varies) |
bird | Warm blooded body temp constant (does not change) Down feathers to keep warm Contour feathers to fly adaptations to fly: Tiny holes in bones th make lighter, streamlined shape |
Mammals | Has hair Warm blooded Live birth mammary glands to give milk to young |
Monotremes: | lays eggs example, duckbilles platypus |
Marsupials | pounched and mammals that give live birth and babies crawl into pouches until matured, placentals give live birth baby atached with embilical cord |