Why are marine organisms good candidates for fossi...

B

- Hướng dẫn giải

Phương pháp giải:

Giải chi tiết:

Đáp án là B. Ý trong bài: in order to be preserved in the fossil record, organisms must possess hard body parts such as shells or bones. Soft, fleshy structures are quickly destroyed by predators or decayed by bacteria. Even hard parts left on the surface for any length of time will be destroyed, therefore, organisms must be buried rapidly to escape destruction by the elements and to be protected against agents of weathering and erosion. => phải có cấu trúc thịt dày hơn thì mới khó bị phân hủy => “marine organisms” trở thành “good candidates”