Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
23 Cards in this Set
- Front
- Back
Porifera examples
|
sponges
|
|
porifera major characteristics
|
many are colonial
grouped according to type of skeleton sessile as adults hermaphroditic free-swimming larva asexual reproduction by fragmentation primitive intracellular digestion |
|
porifera
diplo or triplo? type of coelem? embryo sym.? adult sym.? alim. sys.? |
aggregate of cells, neither di or tri
acoelomate asymetric channel or filter feeder, intracellular digestion |
|
radiata examples
(cneideria, cnetophora) |
hydra, coral, sea anemone, jelly fish, comb jellies
|
|
radiata
diplo or triplo? type of coelem? embryo sym.? adult sym.? alim. sys.? |
diplo
acoelomate radial radial 1 opening, intracellular |
|
platyhelminthes examples
|
planaria, tapeworm, liverfluke
|
|
platyhelminthes characterisitics
|
free living parasites
cephalization (head end first) sensory cells anterior (in front of brain) muscles excretory system=flame cells that regulate water balance metabolic wastes out through diffusion -reproduction either |
|
platyhelminthes
diplo or triplo? type of coelem? embryo sym.? adult sym.? alim. sys.? |
triplo
acoelomate bilateral bilateral 1 opening |
|
nematoda examples
|
hookworm, pinworm, trichina (raw pork)
|
|
nematoda characteristics
|
two types of round worms
1. free living or 2. parasitic -contain digestive, muscle, nervous, excretory and reproductive systems -have separate sexes -do NOT contain respiratory, circulatory, or skeletal systems |
|
nematoda
diplo or triplo? type of coelem? embryo sym.? adult sym.? alim. sys.? |
triplo
pseudocoel bilateral bilateral 2 openings (protostomes) |
|
annelida examples
|
earthworm, leeches, polychetes (marine worms)
|
|
annelida characteristics
|
-cephalization
-segmented worms, each with separate systems -hermaphroditic-cross fertilization -first appearance of circulatory system -have muscles -excretory, nervous, and digestive system -long intestine -no respiratory or skeletal system |
|
annelida
diplo or triplo? type of coelem? embryo sym.? adult sym.? alim. sys.? |
triplo
coelomate bilateral bilateral 2 openings (proto) |
|
mollusca examples
|
clam, mussel, snail, squid
|
|
mollusca characteristics
|
-soft body with shell
-body enclosed by soft tissue (mantle) -excretion by nephridia -open circulatory system pumped by 3 chambered heart -fast movement -separate sexes, gametes released into water -cephalization and giant nerve fibers -many are filter feeding herbivores |
|
mollusca
diplo or triplo? type of coelem? embryo sym.? adult sym.? alim. sys.? |
triplo
coelomate bilateral bilateral 2 openings (proto) |
|
anthropoda examples
|
crayfish, shrimp, centipede, insecta, spiders, millipedes
|
|
anthropoda characteristics
|
-segmented (head, thorax, abdomen)
-jointed appendages -exoskeleton, (chitin) -all systems present -separate sexes -nervous system ladder type -ventral nerve cord -respiration-trachea |
|
anthropoda
diplo or triplo? type of coelem? embryo sym.? adult sym.? alim. sys.? |
triplo
coelom bilateral bilateral 2 openings (proto) |
|
echindermata examples
|
starfish, sea urchin, sea cucumber, brittle stars, sand dollars
|
|
echindermata characteristics
|
-spiny skin
-highly developed water vascular system -circulation in channels -skin gills |
|
echindermata
diplo or triplo? type of coelem? embryo sym.? adult sym.? alim. sys.? |
triplo
coelom bilateral radial 2 openings (deuterostome) |