During meiosis, independent assortment and crossing over of DNA segments result in gametes with diverse sets of genes. Additionally, random fertilization of an egg by a sperm occurs, forming a zygote with unique genetic material from each parent.
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Earth's history. In the worst one, 250 million years ago, 96 percent of marine species and 70 percent of land species died off. It took millions of years to recover.
Answer:
Competition between individuals of different species is known as interspecific competition.
