'Less life' presentation slideshows

CHAPTER 14

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spontaneous generation

spontaneous generation. Redi, Needham, Spallanzani, and Pasteur. Spontaneous Generation. For much of history, people believed that animals could come from non-living sources. They thought: Frogs developed from falling drops of rain mice arose from sweaty underwear

2.92k views • 22 slides

Stages Of Succession in a Xerosere

Stages Of Succession in a Xerosere. Asra, Christine, Haruka , Nicole and Sabrina. Stage 1. Bare, inorganic a-biotic surface becomes available for colonization Pioneers: typically r-selected species. Stage 2. Stage 2 colonization: Pioneers colonize the area first.

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Lakes (Oligotrophic and Eutrophic)

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Mays landing survival guide

Mays landing survival guide . By John Liberty. Animals. http://t1.gstatic.com/images?q=tbn:ANd9GcRLvx8m_2pXl9QORezMHnjrdyfXn5LRJPTsynXhhgKFyluaqXGtvw. .

253 views • 12 slides

Talent 21 Project 2012

Talent 21 Project 2012. Jason Earle Social Studies. Introduction . I am going to talk to talk to you about ancient history and how the humans impact their environment. After Glacier a ge . Trying to survive in the world Trying to settle down could lead to getting lost

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Human influence on the nitrogen cycle

Human influence on the nitrogen cycle. T he nitrogen cycle Re-cap The last lesson was about the nitrogen cycle. What do organisms use nitrogen for?. How do animals get their nitrogen?. How do plants get their nitrogen?. Which types of decomposers are responsible for

420 views • 10 slides