Five Arthropods
One group of arthropods are...
Millipedes!
Clams....
Class 1.
Bivalves!
1. "Slime-eels"
Hagfish!
1. CLASS AMPHIBIA
Amphibians!
What makes an arthropod what it is?
multiple pairs of jointed legs. segmented body. supportive and protective exoskeleton.
2. Flat... Carnivores... One pair of legs per segment...
Another arthropod class are the...
Centipedes!
Snails/slugs...
Class 2.
Gastropods!
2. About 40 species in this group....
Lampreys!
2. CLASS REPTILIA
Reptiles!
What makes a mollusk what it is?
Soft-bodied invertebrates!
Clams/snails produce protective shell. Most live in aquatic places, some live in moist places. Main body part called mantle. Most have radula. Have a nervous system. 85,000 recognized species.
3. Crabs, Lobsters, Isopods...
Another class of arthropods are the...
Crustaceans!
Octopus+Squid
3rd class...
Cephalopods!
Class Chondrichthyes
Sharks, Rays, Skates, Chimaera!
3. CLASS MAMMALIA
Mammals!
What makes a chordate what it is?
Have nerve cord, notchocord. Most are vertebrates with internal skeleton. About 65,00 extant species of chordates.
4. 2 segments on body, spinnerets, weave webs...
What class is this?
Spiders!
4. Fins have rays...
Actinopterigii
Ray-Finned Fishes
4. CLASS AVES
Birds!
This class of arthropods is...
Insects!
5. We evolved from fishes like these...
Bony strut fins. Sarcopterigii
Lobe-Finned Fishes!
So the 17 classes of animals are...
Millipedes, centipedes, crustaceans, spiders, and insects
Clams, Snails/slugs, and octopus/squid
Hagfish, Lamprey, Sharks/Rays/Skates/Chimaera, Ray-finned fishes, Lobe-finned fishes, amphibians, reptiles, mammals, and birds
Hooray!