Animal Scavenger Hunt

Sponges and Cnidarians Invertebrates Sponge is covered with pores Cnidarians have stinging cells

Body Plans Polyp – hydra, sea anemone and coral Medusa - jellyfish

Worms Invertebrates Flatworm – tapeworm, fluke, planarian Roundworm – hookworm Segmented worm – earthworm Regeneration – the ability to regrow body parts

Mollusks Invertebrates Gastropods – snails and slugs – 1 or no shell Bivalve – clams, oysters, scallops, mussels – 2 shells Cephalopods – octopus and squid – has tentacles

Arthropods Invertebrates External skeleton, segmented body and appendages Crustaceans – shrimp, crab, crayfish Arachnids – spider, mite, tick Insects – dragonfly, bee, butterfly Centipede – 100 feetmillipede – 1,000 feet

Echinoderms Invertebrates Spiny skinned Live on the ocean floor Sea urchin, brittle star, sand dollar, sea star, sea cucumber

Vertebrates Two Characteristics: Live in water and has fins for moving

Jawless Fish Ex. Lamprey and hagfish

CARTILAGINOUS Sharks, sting rays and skates

Bony fish Trout, perch, tuna, goldfish

vertebrates Ectothermic Description: spends its early life in water

Salamanders, Frogs and Toads

Frogs vs. Toads –Both have sticky tongue attached at the front of the mouth –Frogs Smooth moist skin Jump and spend more time in the water –Toads Drier bumpier skin walk

Vertebrates Has lungs and scaly skin

Turtles, snakes, lizards, crocodiles and alligators

Vertebrates Characteristics: Has feathers 4-chambered heart lays eggs

Feathers Down feathers –used for insulation and keeping the bird warm Contour feathers – used to balance and steer while flying

Vertebrates Characteristics: Fed with mother’s milk Covered with FUR OR HAIR Born alive

MONOTREMES –Platypus and spiny anteater –Lays eggs

MARSUPIALS examples: opossum, kangaroo, koala –Develops in mothers pouch

PLACENTAL Examples: cat, dog, human, rabbit, whale Develops in mothers body