Based on the information provided in this scenario, why can’t you completely describe the puppy’s parents even though you can accurately describe the puppy?

In this assignment, you will analyze an example of speciation by researching the finches of the galapagos islands. then you will answer questions to construct explanations and draw conclusions based on the information you gather. someone plz !

18. over time, how do sand dunes tend to migrate? a. perpendicular to the movement of the wind b. in the same direction as the wind blows c. toward the wind d. in random directions

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?