A The continents were once joined together
Explanation:
All the continents were once together making a huge one called Pangea.
Answer:
Crossing over is a biological occurrence that happens during meiosis when the paired homologs, or chromosomes of the same type, are lined up. Hope this helps :)
Explanation:
Answer:
On the basis of gender preference.
Explanation:
In the modern view of adaptation, the main cause of infanticide is not the food but the gender preference. In many societies, people killed their infant when they knew that the infant is a girl. They thought that having a girl is curse or shameful thing so they kill the infant. These type of people wants male baby or prefer male child so that's why they kill the infants. In the ancient times, infants were killed that were abnormal or having any defects but today it happen due to gender preference.
