Types of Development/Fertilization

Question 1

external fertilization
external development

Answer 1

most fish and amphibians (needs a moist environment)
low survival rate - exposed to danger (predation)

Question 2

internal fertilization
external development

Answer 2

birds, reptiles, some mammals
adaptation: fertilized egg develops in an amniotic egg. Hard shell

Question 3

internal fertilization
internal development

Answer 3

placental mammals
non-placental mammals
high survival rate - protected environment
adaptation:
has a placenta (nutrition, respiration, excretion) has a pouch