Download Animals

Name: _____________________________________________
Animals
Date: __________________
Animal Phyla
Phylum
Example Animals
Coelom?
Porifera
Sponges
Acoelomate
Cnidaria
Jellies, anemones, coral
Acoelomate
Platyhelminthes
Flatworms (trematodes,
tapeworms, planarians)
Acoelomate
Compressed bodies, single mouth/anus.
Rotifera
Rotifers
Pseudocoelomate
A mouth lined with cilia and simple
jaws.
Mollusca
Snails, slugs, oysters,
clams, octopuses, squids
Coelomate
Foot (movement), mantle (shell),
visceral mass (body)
Annelida
Segmented worms
(leeches, earthworms)
Coelomate
Segmented body sections, hydrostatic
skeleton.
Nematoda
Roundworms
Pseudocoelomate
No segments, exoskeleton.
Arthropoda
Insects, arachnids,
crustaceans
Coelomate
Echinodermata
Sea stars, urchins, sea
cucumbers, sand dollars
Coelomate
Chordata
Mammals, reptiles,
tunicates, lancelets, etc.
Coelomate
Other Groups
Group Name
Defining Characteristics
Filter feeders, sessile, spongocoel cavity
(water in through porocytes, into
spongocoel, out through osculum).
Sessile polyps or motile medusa,
gastrovascular cavity, stinging cells,
hydrostatic skeleton.
Three-segmented body with open
circulatory system/hemolymph, jointed
appendages; most numerous.
Spiny exoskeleton, radial symmetry,
water vascular system, hydrostatic
skeleton.
Notochord, dorsal hollow nerve cord.
Example Animals
Defining Characteristics
Bilateria (includes below)
Chordates
Bilateral symmetry.
Cephalochordata
Lancelets
A persistent notochord and head region.
Urochordata
Tunicates
A cellulose tunic.
Agnathans
Lampreys and hagfishes
Vertebrates without jaws, no paired
appendages.
Gnathostomes
Sharks, amphibians, reptiles,
birds, mammals, etc.
Vertebrates with jaws.
Name: _____________________________________________
Animals
Gnathostomes
Group Name
Date: __________________
Example Animals
Defining Characteristics
Chondricthyans
Sharks and rays
Cartilaginous skeleton.
Osteichthyans
Ray-finned fish and lobe-finned
fish
Bone instead of cartilage.
Osteichthyans
Group Name
Example Animals
Defining Characteristics
Ray-Finned Fish
Sturgeon, cod, trout, carp,
mudskippers
Bony rays in fins, two-chambered hearts.
Lobe-Finned Fish
Lungfish and coelacanths
Muscular lobed fins that may help them “walk”
on the ocean floor, two-chambered heart.
Amphibians
Group Name
Amphibia
Amniotes
Group Name
Example Animals
Defining Characteristics
Frogs, salamanders, caecilians
Breathe through skin, lay eggs and develop in
water, three-chambered heart, ectothermic.
Example Animals
Defining Characteristics
Reptiles
(includes Turtles)
Snakes, turtles, lizards,
crocodilians, tuataras
Keratin scales, internal fertilization,
ectothermic, three-chambered heart.
Turtles
Turtles, tortoises
Shells.
Birds
Parrots, ostrich, chickens
Endothermic, four-chambered heart, feathers,
wings, hollow bones.
Mammals
Dogs, whales, echidnas, humans
Hair, specialized teeth, ear flaps, live birth, fourchambered heart, milk production.
Primates
Group Name
Primates
Example Animals
Defining Characteristics
Lemurs, monkeys, apes, humans
Opposable thumbs, nails, good depth
perception.