What do all vertebrates have in common?
A backbone.
What is the body of a mollusk like?
Soft, no bones.
What are the two things that make an animal an animal and not a plant or other organism?
They have many cells and cannot make their own food.
What are two things that bivalve shells help animals with?
Protection and movement
What are the two main differences between insects and arachnids?
number of legs and number of body segments
A skeleton on the inside of the body is called what?
Endoskeleton
What percent of animals are invertebrates?
96%
What are the four basic needs of all animals?
Food, oxygen, water, shelter
What is an oceanic arthropod?
Crab, lobster, shrimp
What are the three ways amphibians can breathe?
gills, lungs, and skin
Name all 5 of the groups of vertebrates.
Mammal, amphibian, fish, reptile, bird
How does a sponge get its food?
Filtering the water
A skeleton that is outside of the animals body is?
exoskelton
What is special about a cnidarian?
It has stinging cells
What is the main body covering of mammals?
hair or fur
Why are whales classified as mammals?
They give live birth and feed their young with mother's milk.
Which of these is a mollusk? Sea Anemone, sponge or octopus?
Octopus
Animals without a backbone are called?
invertebrates
List 2 cnidarians
sea anemone, jelly fish, coral
Name two reasons why most birds can fly.
Name a mammal that lays eggs?
Platypus
2 ways that earthworms help plants grow?
fertilize soil and create tunnels for oxygen.
kingdom phylum class order genus species
What are 2 echinoderms that live in the ocean?
sea star, sand dollar, sea urchin
What is the largest group of arthropods?
Insects