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 CnidariansHydra

Coral

Sea Anemones

Jellyfish

Name some mollusksSnails

Slugs

Squid

Octopus

Clams, Scallops, Oysters, mussels

Name some EchinodermsSea Stars

Starfish

Sand dollars

Sea Urchins

Name some AnnelidsEarthworms

Polychaetes (sandworm, Christmas tree worms)

Leeches

Which 2 chordates are invertebrates?

Tunicates

Lancelets

Describe ChondrichthyesCartilagenous fish

Sharks, rays, skates

Lateral line system

Describe OsteichthyesBony 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 amphibiansFrogs

Toads

Salamanders

Name some reptilesLizards

Turtles

snakes

What is an agnathan?Lamprey, no hinged jaws