1. Platypus
2. Kangaroo
3. Monkey
4. Both (a) and (b)
Both (a) and (b)
1. Urinary bladder
2. Liver
3. Allantois
4. Amnion
Allantois
1. Mesoderm
2. Amnion
3. Trophoblast
4. Chorion
Trophoblast
1. Shock
2. Encystment
3. Degeneration
4. Disease
Shock
1. Respiration
2. Excretion
3. Nutrition and excretion
4. protection from shock
Nutrition and excretion
1. Axis of cleavage
2. Grey crescent
3. Dorsal lip of blastopore
4. Centre of embryo rotation
Axis of cleavage
1. Isolecithal
2. Mesolecithal
3. Oligolecithal
4. Telolecithal
Oligolecithal
1. Epiboly
2. Emboly
3. Involution
4. Gastrulation
Gastrulation
1. Karyogamy
2. Parthenogenesis
3. Vitellogenesis
4. Oogenesis
Karyogamy
1. Xylem cells
2. Cortex cells
3. Endodermal cells
4. Pericycle cells
Endodermal cells