have to learn to attract mates from ecome extinct ave to find new ways to care for ave to learn to eat different food s does sexual reproduction invo b. two rect order of sexual reproductic ertilization, zygote, embryo embryo, fertilization, zygote
PROCESS OF FERTILIZATION
Fertilisation occurs when a sperm fuses with the female act during intercourse and further forms an egg that gets implanted in uterus of the female. The sperm travels through the fallopian tube and penetrates the zona pellucida layer of the ovum (female egg) and fuses with it which forms zygote (fertilized egg). ...