1.E
2.A
3.A
4.B
5.B(C)
最后一段最后一句说的是canals indicate an active lifestyle but do not provide definitive information about the animals’s resting metabolic rate…这个表述并没有绝对的否认了骨结构和新陈代谢速率之间的关系,B选项表述太过绝对
CR
B, B
RC
EAABC
1. Methodoloy to distinguish edo and ecto has debate, warm-blooded animals have haversian canals. relate to high metabolic rate
2. canel linked to pysical acitivity instead of thermal physiology
3. dense haversian canal indicate active lifestyle but not mean a high resting metabolic rate and temprature