Question 2 1 pts By 10,000 years ago, two-thirds of 150 genera of the Pleistocen

Question

Question 2 1 pts By 10,000 years ago, two-thirds of 150 genera of the Pleistocene megafauna that were present just 40,000 years earlier had gone extinct. What seems to be the reason for this relatively recent extinction of so many large mammal species? This extinction was probably due to new pathogens O . O Hunting by humans, habitat fragmentation, and the ice age played a large role in this extinction. O This extinction was the result of a period of extreme volcanic activity. Global warming seems to be a contributing factor in the loss of these large mammal species.

Explanation / Answer

12. B, hunting by humans, habitat fragmentation and ice age played a large role in its extinction.

13. B, Fisher muller selection it says that multiple mutant genotypes will arise more quicky in the subpopulation bearing the recombination-causing modifier allele, and that subpopulation will then tend to achieve higher fitness and outcompete the other subspecies.

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.