Download Phylum?

What kingdom are we studying?
Invertebrate Review Sheet - ANSWERS
ANIMALIA
Sponge:
Phylum? PORIFERA
Multicellular or unicellar? MULICELLULAR
Systems Present? DIGESTIVE AND REPRODUCTIVE
Function of structures:
Osculum – LETS WATER OUT
Spicules – SUPPORT FOR SPONGE’S BODY
Incurrent pore –LETS WATER IN
Features:
Hermaphrodite – PRODUCES BOTH SPERM AND EGGS
Sessile – DOES NOT MOVE
Filter Feeder – FILTERS THE FOOD OUT OF THE WATER
Regeneration – GROWS BACK MISSING BODY PARTS
Where do they live? IN WATER
How do they eat? PLANKTON
How do they reproduce? ASEXUAL
How do they move? SESSILE
-Label Picture
What kind of symmetry? ASYMMETRY
Cnidarians/Hydra:
Phylum? CNIDARIAN
Commonly called? JELLYFISH
Systems Present? DIGESTIVE, REPRODUCTIVE, AND NERVOUS
Function of Structures:
Gastrovascular Cavity – AREA THAT FOOD GETS BROKEN DOWN
Nematocysts – CONTAINS THE POISON TO PARALYZE PREY
Features:
Medusa – BELL SHAPED STRUCTURE THAT SWIMS
Polyp – VASE SHAPED STRUCTURE THAT DOESN’T MOVE
Budding – GROWTH OFF SIDE OF ORGANISM THAT MAKES A NEW ORGANISM
Alternation of Generation – ALTERNATES BETWEEN MEDUSA AND POLYP PHASE OF REPRODUCTION
Where do they live? WATER
How do they eat? PLAKNTON, FISH
How do they reproduce? SEXUAL AND ASEXUAL
How do they move? – SESSILE AND MOBILE
-Label Picture
What kind of symmetry? RADIAL
Flatworm/Planaria:
Phylum? PLATYHELMINTHES
Commonly called? FLATWORMS OR PLANARIA
Systems Present? DIGESTIVE, REPORDUCTIVE, NERVOUS
Function of Structures:
Eyespots – DETECT LIGHT
Flame Cells – MOVES WASTE TO EXCRETORY PORES
Excretory pore – MOVES WASTE OUT OF THE BODY
Ganglia – SIMPLE BRAIN
Where do they live? WATER
How do they eat? FOODS HIGH IN PROTEIN
How do they reproduce? SEXUAL AND ASEXUAL
How do they move?-Label Picture
What kind of symmetry? BILATERAL
Roundworm:
Phylum? NEMATODA
Systems Present? DIGESTIVE, REPRODUCTIVE, NERVOUS, MUSCLUAR, EXCRETORY
Special Features:
Host – AN ORGANISM THAT THE PARASITE LIVES IN
Parasite – AN ORGANISM THAT FEEDS OFF THE HOST
Famous for their? ANUS
Where do they live? IN OTHER ORGANISMS
How do they eat? HAVE A MOUTH
How do they reproduce? SEXUAL
How do they move? MUSCLES
What kind of symmetry? BILATERAL
Clams:
Phylum? MOLLUSCA
Class? BIVALVIA
Systems Present: DIGESTIVE, REPORDUCTIVE, NERVOUS, MUSCLUAR, EXCRETORY, RESPIRATORY,
CIRCULATORY
Function of Structures:
Foot – ANCHORS CLAM INTO THE GROUND
Mantle – THE PROTECTIVE LAYER THAT INSIDE THE SHELL
Shell – PROTECTS THE INTERNAL ORGANS
Stomach – BREAKS DOWN THE FOOD
Incurrent Siphon – LETS WATER IN
Excurrent Siphon – LETS WATER OUT
Gonad – REPRODUCTIVE ORGAN, MAKES SPERN OR EGGS
Special Features:
Trochophore – A BABY CLAM
Where so they live? - WATER
What do they eat? – SMALL PLANKTON IN THE WATER
How do they reproduce? SEXUALLY
How do they move? TAKE FOOT IN AND FLOAT AWAY
-Label Picture
What kind of symmetry? BILATERAL
Earthworm:
Phylum? ANNELID
Systems Present?: DIGESTIVE, REPORDUCTIVE, NERVOUS, MUSCLUAR, EXCRETORY, RESPIRATORY,
CIRCULATORY
Special features:
Setae – HELPS MOVE THROUGH THE SOIL
Crop – STORES THE FOOD
Gizzard – GRINDS UP THE FOOD
Clitellum – BABIES ARE HELD
Blood Vessels – CONTAINS THE BLOOD
Open or Closed Circulatory? CLOSED
Hearts – PUMPS BLOOD
How many hearts? 5 AROTIC ARCHES
Where do they live? SOIL
How do they eat? NUTRIENTS OUT OF THE SOIL
How do they reproduce? SEXUALLY
How do they move? MUSCLES
-Label picture
What kind of symmetry? BILATERAL
Starfish:
Phylum? ECHINODERM
Systems Present? DIGESTIVE, REPRODUCTIVE, NERVOUS
Function of Systems:
Madreporite – LETS WATER INTO THE STARFISH
Digestive Gland – RELEASES ENZYMES TO BREAK DOWN FOOD
Coelom – BODY CAVITY
Ampullae – WORKS BY WATER PRESSURE TO MAKE TUBE FEET WORK
Tube Feet – SUCTION CUPS THAT HELP IN CAPTURING FOOD AND MOVING
Special Features:
Water Vascular System – ALLOWS FOOD TO MOVE THROUGHOUT THE BODY AND MAKES THE TUBE
FEET WORK
Where do they live? WATER
How do they eat? CLAMS
How do they reproduce? SEXUAL
How do they move? WITH TUBE FEET
-Label Picture
What kind of symmetry? RADIAL
Crayfish:
Phylum? ARTHROPODA
Class? CRUSTACEAN
Systems Present: DIGESTIVE, REPORDUCTIVE, NERVOUS, MUSCLUAR, EXCRETORY, RESPIRATORY,
CIRCULATORY
Function of Structures:
Antennae – SENSES MOVEMENT AND CHEMICALS IN ENVIRONMENT
Green Gland – REMOVES WASTE FROM THE BLOOD
Cheliped – CLAW THAT CAPTURES FOOD
Aorta – CONTAINS THE BLOOD
Walking Legs – ALLOWS THE CRAYFISH TO MOVE
Swimmerets – WATER MOVEMENT AND REPRODUCTION
Special Features:
Jointed Appendages – ALLOWS MOVEMENT OF JOINTS IN THE EXOSKELETON
Chitin – WHAT THE SHELL IS MADE UP OF
Exoskeleton – HARD COVERING THAT MUSCLES ATTACH TO
Where do they live? WATER
How do they eat? WORMS, DEAD MATERIAL
How do they reproduce? SEXUALLY
How do they move? WITH MUSCLES
-Label Picture
What kind of symmetry? BILATERAL
DIAGRAMS:
Sponge:
1. osculum
2. collar cell
3. ameobocyte
4. spicules
5. incurrent pore
6. base
7. flagellum
Starfish:
1. madreporite
2. arm or ray
3. ring canal
4. reproductive organ
5. ampullae
6. coelom
7. digestive gland
8. eyespots or tube feet
9. stomach
10. anus
Earthworm:
1. mouth
2. brain
3. pharynx
4. esophagus
5. aortic arches
6. seminal receptacle
7. seminal vesicles
8. crop
9. gizzard
10. dorsal blood vessel
11. nephridia
12. ventral blood vessel
13. ventral nerve cord
14. intestine
15. anus
Polyp of Hydra
1. tentacle
2. gastrovascular cavity
3. mouth
4. ectoderm
5. mesoderm
6. endoderm
7. base
Crayfish inside
1. brain
2. green gland
3. mouth
4. esophagus
5. stomach
6. anus
7. intestine
8. heart
Crayfish outside
1. antennae
2. cheliped
3. walking legs
4. swimmerets
5. uropod or telson
6. abdomen
7. eye or rostrum
Flatworm
1. eyespots
2. pharynx
3. flame cells
4. excretory pore or cilia
5. mouth
Clam
1. adductor muscles
2. heart
3. anus
4. gills
5. mantle
6. reproductive gland (gonad)
7. intestine
8. foot
9. shell
10. kidneys
11. stomach
12. digestive gland