Animals AP Review

List and describe the 3 groups of mollusks. Bivalves: hinged shells, clams, scallops Cephalopods: have tentacles, squid, octopus Gastropods: live on land, may have shells, snails

List some characteristics of Annelids Are segmented Have a coelom Complete digestive tract (mouth and anus) 15,000 species Live in diverse environments Earthworms, polychaetes, leeches

List some characteristics of Arthropods Jointed appendages Segmented Exoskeleton Numerous and widespread Coelom and complete digestive tract

What are the 3 body parts of insects? Head, thorax, abdomen

Which phylum has a water vascular system? Echindoermata

What are the 4 traits of chordates? Dorsal, hollow nerve chord Notochord Pharyngeal slits Post-anal tail

What are Chondrichthyes? Cartilaginous fishes sharks

Which type of fish has a swim bladder? Bony fishes

What are characteristics of animals? Heterotrophic Multi cellular Eukaryotes Lack cell walls Have nerve and muscle tissue Ingest food

What type of organism did animals evolve from? Protists

List some characteristics of sponges No tissues Sac with holes Filter feeders Live in the ocean, don’t move No body cavity or digestive tract

Which 2 phyla have only radial symmetry? Porifera Cnidaria

List characteristics of Cnidaria Stinging threads Polyp and medusa Gastrovascular cavity (not digestive tract) Live in the ocean

What is bilateral symmetry? 2 body halves are mirror images Have a forward facing head with sensory structures

List characteristics of Platyhelminthes Bilateral symmetry Big eyespots Live in marine, freshwater, soil Mouth is anus (incomplete digestive tract) Flukes, planarians, tape worms, flatworms

Which phylum have body cavities? Nemotodes (pseudo) Mollusks Annelids Arthropods Echinodermata Chordata

Which phyla have coeloms? Nemotodes Mollusks Annelids Arthropods Echinoderms Chordates

Which phylum has a pseudocoelom? Nemotodes

List characteristics of mollusks? Coelom Foot and mantle Radula Circulatory system Can have shells

List characteristics of amphibians First land vertebrates Lay eggs in water Go through metamorphosis

What allowed reptiles to move onto land? Development of an amniotic egg

Which chordates are ectothermic? Fish, amphibians, reptiles

Which classes of Chordates are endothermic? Birds and mammals

Roundworms are in which phyla? Nemotode

Leeches are which phyla? Annelida

Jellyfish are in which phylum? Cnidaria

Squid and octopus are in which phyla Mollusca

Name 4 Cnidarians Hydra Coral Sea Anemones Jellyfish

Name some mollusks Snails Slugs Squid Octopus Clams, Scallops, Oysters, mussels

Name some Echinoderms Sea Stars Starfish Sand dollars Sea Urchins

Name some Annelids Earthworms Polychaetes (sandworm, Christmas tree worms) Leeches

Which 2 chordates are invertebrates? Tunicates Lancelets

Describe Chondrichthyes Cartilagenous fish Sharks, rays, skates Lateral line system

Describe Osteichthyes Bony fishes Operculum cover gills Swim bladders Largest group of vertebrates Includes ray finned, lobe finned, and lungfishes

What is a monotreme? Egg laying mammal Platypus, echidna

Name some amphibians Frogs Toads Salamanders

Name some reptiles Lizards Turtles snakes

What is an agnathan? Lamprey, no hinged jaws