4. Describe: Compare the final histogram to the initial histogram. How have the finches been affected by abundant rain? Describe at least two changes that you notice

Finch with shorter beaks increase in number and population of bigger beak finches decreases.

Explanation:

Yes, finches have been  greatly affected by abundant rain because in abundant rainfall plants produce an large number and variety of seeds so large amount of food is available for the finches. Due to abundant rainfall, the finches with shorter beaks increase in population. This change greatly helps finches in finding of food so shorter beak finches increase in population due to abundant rainfall.

they float because they are less dense than the water itself

something denser than water, like a rock, will sink to the bottom

energy and particles