Purchase Solution

Why Leaves Change Color

Not what you're looking for?

Ask Custom Question

Plants absorb light energy using special molecules called photosynthetic pigments (predominantly chlorophylls). These pigments absorb most of the visible light except for wavelengths in the green part of the spectrum. Consequently, plants appear green. However, what happens in the fall when leaves change colors? Why are there so many different colors? Moreover, why are the colors more intense some years?

Purchase this Solution

Solution Summary

This solution looks at the process that causes leaves to change color and how this process is affected by temperature, sunlight, and nutrition.

Solution Preview

Photosynthetic pigments come in a variety of colors including green, orange, and yellow. These pigments, called xanthophylls (yellow) and carotenoids (orange), are present in leaves all of the time, but in small quantities. There colors are overwhelmed and masked by the green chlorophyll that is present throughout most of the summer. As the daylight hours wane, plants stop producing chlorophyll and because the green chlorophyll is easily broken down, it disappears ...

Purchase this Solution

Free BrainMass Quizzes
Human Anatomy- Reproductive System

Do you know your reproductive anatomy?

Infant Development: Sleep

How much do you know about infant sleep? Test your knowledge with this quiz.

Hemophilia: Fact or Fiction

Do you know the truth about hemophilia? Test your knowledge here.

The Plant Body

This quiz will test your knowledge of the anatomy of a common plant.

Identifying Variables in Science Experiments, Part 2

Using sample experiments, test yourself to see if you can identify independent, dependent, and controlled variables. Identifying variables is key in understanding and developing experiments. The questions are biology related, but this can be applied to any area of science.