These animals regulate their own body temperature; their blood uses energy to maintain a constant temp (choose 2)

lays eggs

has body hair and gives live birth

uses gills in water and lungs on land

breathes with gills throughout their lives, cold blooded

cold blooded, breathes with lungs, has dry skin covered in scales and most lay eggs

frogs, salamanders, newts, toads

dinosaurs, snakes, turtles, alligators

jelly fish, hydra, coral, sea anemone

sand dollars, sea urchins, star fish,

squid, snails, oysters, clams, mussels

lobsters, crabs, ladybugs, spiders, butterflies

earthworms and leaches

invertebrates with soft bodies, some have 1 or 2 shells

segmented worms

these invertebrates have radial symmetry and stinging cells, and tentacles and a hollow body cavity

these invertebrates have jointed appendages, 3 body segments and an exoskeleton

these invertebrates have spiny skin, a complex water vascular system and radial symmetry; many have tube feet

which phylum?

which phylum?

which phylum?

which phylum?

which phylum?

warm blooded, breathes with lungs, has wings and lays hard shelled eggs

all animals are: