 |
Final exam
Title: Final exam
Category: Science & Technology
Details: Words: 728 | Pages: 3.1 (approximately 235 words/page)
Final exam
Final Exam
Part 1
A. Provide a systematic definition of an ecosystem. Describe four of the examples of both “natural” and “human-made” ecosystems? Explain how a majority of human activities today are dangerous for natural ecosystems. Remember to connect these dangers to both land and ocean-based ecosystems. Why are rain forests considered so central to our planetary ecosystem?
An ecosystem is a group of different species interacting with one another and with there none living environment …showed first 75 words of 728 total…
You are viewing only a small portion of the paper.
Please login or register to access the full copy.
|
|
…showed last 75 words of 728 total…to make room for all the animals that are grazing. Also much of America’s water is used to feed these animals. Chronic diseases from animal based diets are a big issue among meat eaters. Also manure ends up in, rivers, lakes, stream, under-ground water sources. Global warning gases, carbon dioxide, methane, nitrous oxides, and chlorofluorocarbons are released into the air. Also livestock overgrazing causes erosion and the creation of desert throughout the world.
------------------------------------------------------------------------
**Bibliography**
Need a custom written paper?
|
|
 |
