Animal Reproductive System

Question 1

Porifera

Answer 1

Asexual and sexual reproduction
Internal fertilization
Hermaphroditic

Question 2

Cnidaria

Answer 2

Asexual reproduction ( budding, fission, fragmentation )
Sexual reproduction
Hermaphroditic
External fertilization

Question 3

Platyhelminthes

Answer 3

Sexual reproduction (cross fertilization) 
Hermaphrodites

Question 4

Annelida

Answer 4

Most Asexual via budding and fission
Sexual reproduction varies
Separated sexes
External fertilization

Question 5

Mollusca

Answer 5

Separated sexes
Sexual reproduction
- external
- If asexual reproduced, the offspring will be created by parthenogenesis

Question 6

Arthropoda

Answer 6

Males and females are separated
Sexual reproduction
Internal fertilization

Question 7

Echinodermata

Answer 7

Sexual reproduction with separate sexes
External fertilization
Some asexual reproduction in Asteroidea, Echinoidea, Ophiuroidea, and
Holothuroidea

Question 8

Chordata

Answer 8

Sexual reproduction with separate axes
External fertilization in Cephalochordata
Most release egg and sperm during fertilization (in Urochordates)

Question 9

Nematoda

Answer 9

Female and males are separated

• Internal fertilization
• Both sexual and asexual
• Fertilization leads to egg-laying and development of offspring