animals ap review. list and describe the 3 groups of mollusks. bivalves: hinged shells, clams,...
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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
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