Squishy & Squirmy
What is one creature that has asymmetry?
a sponge!
What classification do clams belong to?
A. Bivalves
B. Gastropods
C. Cephalopods
Insects, crustaceans, and chelicerates belong to the category of _____________.
arthropods
fish, reptiles, amphibians
Birds are the only animals with ________.
feathers
Name two types of cnidarians.
jellyfish, hydra, coral, sea anenome
Give two examples of an echinoderm.
sea star, sea urchin, brittle star, sea cucumber, sand dollar
Name two kinds of crustaceans.
Give two of the three main categories of fish.
bony fish, cartilaginous fish, jawless fish
Give two characteristics of mammals.
hair / fur, mammary glands, warm-blooded (endotherms), backbones, bilateral symmetry
True or False: leeches are flatworms.
False
What are the three categories of mollusks?
BONUS: Can you give an example of each?
gastropods - snails / slugs
cephalopods - octopus / squid / nautilus
bivalves - clams / oysters / scallops
Describe two features of and one example of a chelicerates
eight legs, pincers, two body segments
spider / tick / scorpion / mite
How are reptiles different from amphibians? List three ways.
AMPHIBIANS - metamorphosis, lay eggs in water, smooth, damp skin
REPTILES - no metamorphosis, lay eggs on land, scaly skin
List the three categories of mammals and an example of each.
monotremes (egg-laying) - platypus / echidna
marsupials (pouched) - kangaroo / koala / wombat
placental mammals - horse / tiger / mouse
What is the difference between incomplete and complete guts? Give an example of each.
incomplete - one opening (jellyfish)
complete - two openings (earthworm)
"Echinoderm" literally means ________ ________.
spiny skin
True or False: A roly-poly (pill bug) is an insect.
False - it has more than six legs
True or False: Salamanders are lizards.
False
True or False: Bats are the only flying endotherms.
False - birds are also endotherms
What creature is an invertebrate but has a notochord?
a sea squirt!
(as a larva, not an adult)
"Cephalopod" means "______-foot"
Why are the categories named this way?
stomach-foot, head-foot
snails travel on their "stomach," octopi use propulsion from their "heads"
How are insects unique from other invertebrates?
They are the only category that can also fly!
How would you classify an axolotl?
amphibian
A scientist discovers a new species with scales, fur, and large ears. It is warm blooded and lays hard-shelled eggs. It's young drink milk for the first two weeks of their lives. How would you classify it?
mammal