17

The Saguaro cactus, found in Mexico, Arizona and some parts of California is a giant among its type, growing to the size of a tree. It also gets a number of house guests during its life time.

2

This is a review of Biological terms and knowledge necessary to succeed in biology.

28

The amount of wild animals caught or eaten each year is close to or possibly even exceeding the species’ maximum yield levels. One day, they’ll be driven to extinction due to human intervention. The extinction of these animals will cause us to lose our rich biological system forever.

14

According to Weddell (2006), there are three different approaches to the use of nature and wild organisms. The three approaches are utilitarian, preservationists and sustainable-ecosystem. The utilitarian approach manipulates the environment to serve humans such as damming rivers for renewable “power and water” (4). Scientist routinely manipulates our environments by genetically altering fruits and vegetables. The preservationist believes that nature should be left and protected in its purist form. The current ban on drilling for new oil in Alaska’s wilderness is a perfect example of a preservationist’s viewpoint….

0

A comparison of the environmental decimation of Easter Island with the ongoing deforestation of the Amazon rainforests. Various efforts to restore portions of the rainforests are also discussed.

17

Didn’t you know that a kind of bird is called the “Clock of the Mountain”?

1

Marvel at the beauty of nature’s remaining uncorrupted treasures. What can you do to preserve them?

1

Nutrient cycling plays an extremely significant role in maintaining ecosystem’s general functioning.

2

How hurricane Katrina affected the ecosystem around it.

25

These giant multi-legged animals are deadly killers in the terrestrial ecosystems.