By lowering the activation energy of the reaction
Speciation is not a mechanism of microevolution.
Answer: The enzyme or the Catalyst works by combining with its substrate in the activation site and converts it to Products.
Answer:
Your answer is D). Like most cold-blooded animals, geckos' bodies are unable to maintain a homeostatic body temperature on their own, therefore they must bask in the sun in order to increase their body heat, and hide in the shade when it's too hot.
