Ecosystems Chapter 2 Mr. Sierra. What is an Ecosystem? All the different organisms living in a certain area, along with their physical environment. This.
Newsleterre 01- oct 2013, issue-6
Conservation of Biodiversity and Wildlife “Every time we lose a species we break a life chain which has evolved over 3.5 billion years.” - Jeffrey McNeely.
Whither wildlife in an overpopulated world? Chris R. Dickman.
EXTINCT is FOREVER!! Non-human causes of extinction: Volcanic events Ocean temperature change Sea level changes Meteorites Glaciations Global climate.
Ecosystems
Causes of Extinction. Non-human causes of extinction: Volcanic events Ocean temperature change Sea level changes Meteorites Glaciations Global climate.
Causes of Extinction
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