Two butterflies mate and a genetic mutation causes the offspring to be a different color. is this an example of biological evolution? yes no

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?