Exam #1 Taxonomy

Question 1

Porifera

• symmetry
• level of organization
• gut
• characteristic features

Answer 1

symmetry
-radial/asy
level
-cellular
gut
-none
characteristic
-choanocytes; filter-feeder

Question 2

cnidaria

• symmetry
• level of org.
• gut

Answer 2

symmetry
-radial
level of org.
-tissue (diploblastic)
gut
-incomplete (GVC)

Question 3

cnidaria characteristic features

Answer 3

cnida; suspension feeder

Question 4

cnidaria classes

Answer 4

hydroids
jellyfish
anemones/coral

Question 5

hydroids characteristics

Answer 5

polyp and medusa equal

Question 6

jellyfish characteristics

Answer 6

medusa dominates

Question 7

anemones/coral characteristics

Answer 7

polyp only

Question 8

platyhelminthes

• symmetry
• level of org.
• gut

Answer 8

symmetry
-bilateral
level
-organ (triploblastic)
gut
-incomplete

Question 9

platyhelminthes characteristics

Answer 9

triploblastic

acoelomate

Question 10

platyhelminthes classes

Answer 10

planaria
flukes
tapeworms

Question 11

planaria characteristics

Answer 11

free-living

cephalization

Question 12

flukes characteristics

Answer 12

two or more hosts

Question 13

tapeworms characteristics

Answer 13

endoparasite

Question 14

annelida

• symmetry
• level
• gut

Answer 14

symmetry
-bilateral
level
-organ systems
-complete gut

Question 15

annelida characteristics

Answer 15

metamerism

coelemate

Question 16

annelida classes

Answer 16

marine worms
earthworms
leeches

Question 17

marine worms characteristics

Answer 17

parapodia

manysetae

Question 18

earthworms characteristics

Answer 18

terrestrial and freshwater

clitellum

Question 19

leeches characteristics

Answer 19

ectoparasite

Question 20

mollusca

• symmetry
• level
• gut

Answer 20

symmetry
-bilateral
level
-organ systems
gut
-complete

Question 21

mollusca characteristics

Answer 21

great diversity of forms

Question 22

mollusca types

Answer 22

chitons
snails/slugs
bivalves
squid/octopus

Question 23

chitons characteristics

Answer 23

8 valves

dorsoventrally flattened

Question 24

snails/slugs characteristics

Answer 24

shell spiraling and torsion

Question 25

bivalves characteristics

Answer 25

filter feeder

no radula

Question 26

squid.octopus characteristics

Answer 26

top predator

analagous eye

Question 27

arthropoda

• symmetry
• level
• gut

Answer 27

symmetry

• bilateral
• level
• organ systems
• gut
• complete

Question 28

arthropoda characteristics

Answer 28

exoskeleton

largest phylum

Question 29

arthropoda classes

Answer 29

trilobites
spiders
crustaceans
insects

Question 30

trilobites characteristics

Answer 30

extinct

Question 31

spiders characteristics

Answer 31

chelicerae

pedipalps

Question 32

crustaceans characteristics

Answer 32

2 pairs of anetnnae

2 tagma

Question 33

insects characteristics

Answer 33

1 pair of antennae

3 tagma

Question 34

echinodermata

• symmetry
• level
• gut

Answer 34

symmetry
-pentaradial
level
-organ systems
gut
-complete

Question 35

echinodermata characteristics

Answer 35

water vascular system

deuterostome

Question 36

echinodermata types

Answer 36

seastars
brittlestars
sea urchins
sea cucumbers

Question 37

seastars characteristics

Answer 37

pedicellaria

Question 38

brittlestars characteristics

Answer 38

largest class
flexible arms

Question 39

sea urchins characteristics

Answer 39

test

Aristotle’s lantern

Question 40

sea cucumbers characteristics

Answer 40

reduced ossicles

bilateral