Protostomes and Deuterostomes

Question 1

Protostomes characteristics (5)

Answer 1

1. Cleavage - spiral (8)
2. Blastopore - mouth (8)
3. Mesoderm - mesentoblast (5)
4. Coelom - schizocoely (8)
5. Nerve cords

Question 2

Deuterostomes characteristics (5)

Answer 2

1. Cleavage - radial (8)
2. Blastopore - anus (8)
3. Mesoderm - archenteric (5)
4. Coelom - enterocoely (8)
5. Nerve cords

Question 3

Representative group of Protostomes (6)

Answer 3

1. Nemertea
2. Annelida
3. Mollusca
4. Onychophora
5. Arthropoda
6. Platyhelminthes

Question 4

Representative groups of Deuterostomes (3)

Answer 4

1. Echinodermata
2. Chordata
3. Hemichordata