Bees can see wavelengths of only yellow, blue, and ultraviolet light. Many plant flowers consist of yellow, blue, and ultraviolet markings that are near the center of the flower. Which sentence describes which organisms benefit from this and explains why?
A: Both bees and plants benefit, because bees find food and plants are aided in reproduction.

The classification of some organisms has changed. Which new process is used to reclassify organisms?
A: Structures are now examined at the molecular level.

Which of the following is the best evidence that an area of land was once covered by a glacier?
A: abrasion of surface rocks

How did scientists arrive at the theory of plate tectonics?
A:
by determining the age of lava rising at ocean ridges