Quiz- Mollusca, arthropoda, annelida

Question 1

are molluscs protostomes or deuterostomes?

Answer 1

protostomes(blastopore becomes the mouth)

Question 2

three synapomorphies for phylum Mollusca

Answer 2

radula, mantle, calcium carbonate shell

Question 3

5 classes of phylum Mollusca

Answer 3

polyplacophora( chitons)
bivalve (clams)
Gastropoda(slugs)
cephalopoda(squids)
Scaphopoda(tusk shells)

Question 4

do clams have a circulatory system?

Answer 4

no

Question 5

what is the function of the radula?

Answer 5

tongue-like, used to process food

Question 6

two synapomorphies of phylum annelida

Answer 6

segmentation, setae

Question 7

what are autapomorphies for class Polychaeta?

Answer 7

polychaeta- parapodia

Question 8

Are phylum annelida self-fertilizing?

Answer 8

no, they produce egg and sperm but cannot self-fertilize.

Question 9

class oligochaeta

Answer 9

earthworms

Question 10

class Polychaeta

Answer 10

bristle worms

Question 11

class hirudinea

Answer 11

leeches

Question 11

what are two synapomorphies for all arthropods?

Answer 11

exoskeleton, jointed limbs, tagmata, compound eye

Question 12

what is the outer covering of phylum arthropoda called?

Answer 12

the cuticle/exoskeleton

Question 13

how long were trilobites species living?

Answer 13

250 million years ago

Question 14

subphylum trilobita

Answer 14

trilobites

Question 15

subphylum chelicerata

Answer 15

horseshoe crab

Question 16

subphylum crustacea

Answer 16

crayfish, lobster

Question 17

class Diplopoda

Answer 17

millipede

Question 18

class Chilopoda

Answer 18

centipede

Question 19

subphylum uniramia

Answer 19

insects