An example of a structural adaptation is the way some plants have adapted to life in the desert. Deserts are dry, hot places. Plants called succulents have adapted to this climate by storing water in their thick stems and leaves. Animal migration is an example of a behavioral adaptation
Adaptations in humans can be physiological, genetic, or cultural, which allow people to live in a wide variety of climates. There has been a great deal of research done on developmental adjustment, acclimatization, and cultural practices, but less research on genetic adaptations to cold and heat temperatures.
Answer: lower the activation energy for reactions they catalyze
Explanation: this should be the correct answer but i'm not seeing it for your question, if you forgot to leave it out well this is correct, however if you did not leave this out then I would say A.