Final Biology Paper

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1. Ecosystem Services: Benefits Supplied to Human Societies by Natural Ecosystems. Natural ecosystems supply a vast array of goods and services to humans at no cost. Loss of these “ecosystem services” would be catastrophic to societies around the world. From this, you should be able to describe at least three (3) ecosystem services and threats to them.

2.

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Amphibian populations have been declining and exhibiting deformations. These

indicator species reflect problems in the environment. From this , you should

be able to identify human induced changes in the environment that affect

amphibian populations.