Here are the answers to your questions:
Question 45: A species is defined as a group of organisms that can
Answer: Interbreed and produce fertile offspring
Question 46: What role does mutation play in evolution?
Answer: It increases genetic diversity
Question 47: A population of frogs lives in a wetland. A flood divides the population into two groups, creating different environmental pressures on each group. This situation may lead to:
Answer: Speciation
Question 48: In a population of rabbits, individuals with thicker fur survive better in a cold climate. What is likely to happen over time?
Answer: Rabbits with thicker fur will become more common
Feel free to ask if you have more questions!