Ch 30: Protostomes

0.0(0)
studied byStudied by 0 people
0.0(0)
full-widthCall Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/4

encourage image

There's no tags or description

Looks like no tags are added yet.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

5 Terms

1
New cards

What do bilaterians include?

protostomes & deuterostomes

2
New cards

What are the synapomorphies of protostomes

  • triploblastic - 3 cell layers

  • at least 7 hox genes

  • bilateral symmetry

3
New cards

What does protostome mean?

“mouth first”

  • blastopore becomes mouth

  • more than ½ of described species

  • based on DNA sequencing

4
New cards

what are the 2 major clades of protostomes

lophotrochozoans - trochophore larva

ecdysozoans - exoskeleton molting

5
New cards

List the trais of ALL protostomes. (4)

  • triploblastic

  • bilateral symmetry

  • anterior brain that surrounds entrance to digestive

  • ventral nervous system consisting of paired/fused longitudinal cords