The evolution of body plans

Question 1

steps of embryonic development

Answer 1

zygote, morula, blastula, gastrula

Question 2

5 key innovations in animal evolution

Answer 2

tissue, body cavity, symmetry, pattrens of dev, segementation (TSBS)

Question 3

advantages bilateral symmetry

Answer 3

motility, produce 3 germ layers, cephalization

Question 4

triploblastic vs diploblastic

Answer 4

triploblastic produce 3 germ layers

diploblastic produce endodern and ectoderm

Question 5

pseudocoelom vs coelom

Answer 5

pseudocoelom is where body cavity b/w mesoderm and endoderm

Coelom is where body cavity within mesoderm

Question 6

coelom separated in 2

Answer 6

protostomes (dev mouth 1st) and deutorostomes (dev anus 1st)