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TOEFL
/
Listening practice
/ Section 25RT
Listen to an Academic Talk
Listen to part of a talk in a biology class.
Listen
44. What is the main point of the talk?
A
Body size is the most reliable predictor of how long an animal lives.
B
Lifespan reflects the risk of dying from external causes, not size alone.
C
Flying animals have more efficient repair mechanisms than others.
D
Island populations are more vulnerable than mainland ones.