What does a vertebrate have that an invertebrate doesn't?
a backbone
100
What is the simplest phylum (group) of invertebrate?
sponges
100
What are the 3 groups of worms?
roundworms, flatworms, segmented worms
100
Name one vertebrate group whose members are warm blooded.
birds or mammals
200
What does it mean if an animal's body has symmetry?
Symmetry means that both sides are the same.
200
Tell one characteristic of a sponge.
hollow body, one cell layer thick, 2 way digestive system
200
Which invertebrate group has tentacles with poisonous stingers? (Hint, this group includes jellyfish and coral.)
cnaidarians
200
Which vertebrate group has members who live part on land and part in the water?
amphibians
300
What does cold-blooded mean?
Cold blooded means the animal gets its heat from the environment, not its own body. The body temperature changes as the outside temperature changes.
300
True of false: an echinoderm example is a starfish.
true
300
Which group of invertebrates has organisms with jointed legs and exoskelotons?
arthropods
300
Which vertebrate group has dry scaly skin and lays eggs?
reptiles
400
What does warm-blooded mean?
Warm blooded means the animal gets its heat from its own body, not the environment. Warm-blooded animals' body tempertures stay constant, even if the outside temperature changes.
400
Give 2 examples of mollusks.
octopus, squid, clams, snail, slugs, an organism from any "shell" you might find on the beach.
400
An earthworm bekongs to which worm group?
segmented worms
400
Name 3 characteristics of mammals.
They have hair or fur, are warm-blooded, and feed milk to their young. Most give birth to live babies, but a few lay eggs or have babies in pouches.
500
Name the 2 groups of warm blooded animals and 3 groups of coldblooded animals.