Topic 11a-11c Terms (BIlateria, Lophotrochozoans, Ecdysozoans)

Question 1

Bilateria

Answer 1

Clade group

All members have bilateral symmetry at some point

All triploblastic

Question 2

Taxonomic grouping of Bilateria based on _______

Answer 2

Body cavities. Ex.: acoelomate, pseudocoelmate, coelomate

Question 3

2 clades that make up Bilateria

Answer 3

Deuterostomia and Protostomia

Question 4

2 “sister taxa” that make up Protostomia

Answer 4

Ecdysozoa and Lophotrochozoa

Question 5

Difference between Ecdysozoa and Lophotrochozoa

Answer 5

Ecdysozoa is molting

Lophotrochozoa is non-molting

Question 6

Lophotrochozoans

Answer 6

Grow by extending skeleton size, and do not molt

Question 7

lophophore

Answer 7

feeding structure of ciliated tentacles with coelom inside

Question 8

trochophore

Answer 8

larva with a ring of cilia around its middle

used for swimming and feeding