What phylum do flat worms belong to?
(Platyhelminthes)
What phylum to round worms belong to?
(Nematoda)
What phylum do snails belong to?
(Mollusca)
What phylum to sponges belong to?
(Porifera)
Name the three germ layers.
(Ecto, endo, meso)
What is complete digestion?
What is a coelom?
(2 sep holes for food and waste)
(Fluid filled body cavity)
What type of symmetry do porifera have?
(Asymmetry)
What type of digestion do cnidaria have?
(Extra cellular, incomplete tract)
How many germ layers do cnidaria have?
(2)
How many germ layers do platyhelminthes have?
What is the function of the scolex?
(3)
(Hook mouthed to attach to host)
What type of coelom do nematodes have?
(Pseudocoelom)
How many germ layers do annelida have?
(3)
What type of coelom do annelida have?
(Coelom or true coelom)
What type of digestion do annelids have?
(Complete, extra)
What type of symmetry to molluscs have?
(Bilateral)
What is the radula?
(Toothed tongue in molluscs)
What type of symmetry do echinoderms have?
How do echinoderms move?
(Radial)
(Tube feet)
Describe the defense mechanism that sea cucumbers use.
How do Sea stars feed?
(Evert their stomach, excrete dig juices, absorb nuts)
What class do insects belong to?
(Insecta)
What is the hard outer covering in arthropods called?
Name 3 differences btwn spiders and insects.
Name the 3 segments of Insecta.
What is molting?
(Eject their insides and an irritant)
(Exoskeleton)
(Lungs, life cycle, # eyes, wings, segments)
(Head, thorax, abdomen)
(Shedding of the exoskeleton when they grow)
What is the defining feature of Ph, Chordata?
(Presence of a backbone = verterates)
What type of skeleton do chordates have?
Describe poikilotherms.
(Endo)
(Cold blooded, ectotherms, dependant on their enviro for heat)
What subphylum do jawless fish belong to?
(Agnatha)
Name the class of chordate that lacks an operculum?
(Chondrichthyes)
What type of skeleton do chondrichthyes have?
(Cartilaginous)
What type of circulation do osterichthyes have?
What type of respiration do frogs use?
(2 chambers, 1 way path)
(Lungs and diffusion)
What type of respiration do tadpoles use?
(Gills)
What type of circulation do alligators have?
(3.5 chamber, 2 way path)
What type of circulation do crocodiles have?
(4 chambered, 2 way path)
What type of fertilization do reptiles have?
(Internal)
How are snakes able to eat animals that are 3 times their size?
What are feathers?
(Modified scales)
What type of circulation do aves have?
(4 chambers, 2 way path)
What type of body temperature regulation do aves have?
What type of skeleton do mammals have?
(Homeothermic, warm blooded)
(Bony endo)
What type of circulation do mammals have?
(4 chambered, 2 way path)
What type of body temp reg. Do mammals have?
What are monotremes?
Give an example of a marsupial.
(Dislocate their bottom jaw)
(Homeothermic)
(Egg laying mammals)
(Kangaroo, koala, possum)