Modifications with Protostomes and Deuterostomes

Question 1

Gastrulation

Answer 1

(follows fertilization) form of three germ layers-“1st Pore”-become anus or mouth

Question 2

Segmentation

Answer 2

repetitions of particular body structures

Question 3

Monophyletic Segmentation

Answer 3

vertebrae and backbones

Question 4

Paraphyletic Segmentation

Answer 4

worms and arthropods

Question 5

Feeding Strategies (3) (herbivore, omnivore, carnivore)

Answer 5

Mass feeders (fox), Sap feeders (humming bird), water filter (christmas tree worm)

Question 6

Locomotion

Answer 6

use water for movement (octopus/sea stars)

Question 7

Reproduction types (2)

Answer 7

Asexual (budding, fission, clone), Sexual (external, internal)

Question 8

Advantages of Mating systems (3)

Answer 8

Monogamy-more parental investment
Polygyny- male dominance
Polyandy-females choose who to mate with

Question 9

Define the two Life Cycles

Answer 9

1) Direct-juveniles resemble parents

2) Indirect-distinct life stages (larvae, kid, adult)