Vertebrates
Sharks have skeletons made of this instead of bone
What is cartilage?
This group of mammals has a pouch for raising young.
What are marsupials?
This organ pumps blood throughout the body.
What is the heart?
These animals are simple, porous, and lack true tissues.
What are Porifera (sponges)?
Soft-bodied animals like snails and squids.
What is Mollusca?
This flexible rod supports the body during embryonic development
What is a notochord?
Birds evolved from this group of animals.
What are dinosaurs (reptiles)?
These organs are responsible for gas exchange.
What are the lungs?
Flatworms like tapeworms belong to this phylum.
What is Platyhelminthes?
Animals with exoskeletons and jointed appendages.
These animals rely on environmental temperature to regulate body heat
What is cold-blooded (ectothermic)?
Jawless fish like lampreys belong to this class.
What is Agnatha?
This muscle separates the thoracic and abdominal cavities.
What is the diaphragm?
Roundworms that are often parasitic belong to this phylum.
What is Nematoda?
Marine animals with radial symmetry as adults (spiky)
What is Echinodermata?
Reptiles lay this type of egg which lets them live on land
What is a leathery egg?
Monotremes are mammals because they do this.
What is produce milk?
This organ produces bile and helps detoxify the body.
What is the liver?
This phylum includes jellyfish and organisms with stinging cells.
What is Cnideria?
What's the difference between bilateral and radial symmetry?
Radial: Symmetry around a center point (axis; like a pie)
Bilateral: Symmetry on a line down the middle of an organism into left/right halves (most animals)
This type of fish has skeletons made of bone and includes most fish species.
What is Osteichthyes?
Sharks, skates, and rays belong to this class.
What is Chondrichthyes?
This long organ helps absorb nutrients from digested food.
What is the small intestine?
Segmented worms like earthworms belong to this phylum.
What is Annelida?
Compare the circulatory systems of vertebrates and invertebrates
Vertebrates: Closed, high pressure system with veins/arteries that transport blood to/from organs
Invertebrates: Open, low pressure system that directly bathe organs with blood