Purchase Solution


Not what you're looking for?

Ask Custom Question

Without doubt, humans affect the ecosystems that they come in contact with. I describe one instance, negative or positive, in which humans have affected the ecosystems.

Purchase this Solution

Solution Summary

Deforestation is illustrated in the solution.

Solution Preview

With these sorts of questions you are often best using local examples. I'm in the UK and I'm assuming you are somewhere in North America, so I'll try to give a global example- please adapt appropriately for your answer.

It's often quite easy to think of examples where human activities have had a negative effect on ecosystems. To be honest currently the impact of human activities on ecosystems is overwhelming.

An example of a major effect is deforestation. Eg in the Amazon rainforest.

For thousands of years humans have cut down trees and used the land for agriculture. It is now estimated ...

Purchase this Solution

Free BrainMass Quizzes
The Plant Body

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

Do You Know Your Macromolecules?

This quiz will assess your knowledge of the macromolecules that are important to living things.

Hemophilia: Fact or Fiction

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

Vision and Oculomotor Control

This quiz will test the student's knowledge of the neural underpinnings of the visual system and its central pathways.

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.