Month: May 2016

First Five May 19/20

 Explain how a exponential curve shape differs from a logistic curve in population growth.  What causes the change in growth from exponential to logistic? What determines the carrying capacity of a population?

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First Five May 17/18

Which diagram correctly models the movement of heat, energy, and matter in an ecosystem? Justify your choice. 

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First Five May 16

 Why are eco-corridors needed to maintain biodiversity? The burning of coal causes air pollution that forms acidic compounds in the atmosphere  Explain why this  would this be detrimental to biodiversity especially in fish and amphibians?

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First Five May 12/13

Explain HIPPCO and give an example of impact on a species for each letter in the acronym.

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First Five May 10/11

 At one time there were over 10,000 grizzly bears in California, but people’s fear of the enormous animal drove the bears to extinction. The last California grizzly bear was shot in Tulare County in 1924. Explain why so many apex predators are

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First Five May 9

Humans are part of the Earth’s  ecosystem.   Human activities  can either deliberately or inadvertently alter the  balance of an ecosystem. How do human activities affect the environment?

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First Five May 5/6

 Explain how this respirator would work.     What two factors control climate on Earth?

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First Five May 3/4

Why is the nitrogen cycle important? How is nitrogen stored and cycled? Why  is phosphorus needed? How is its phosphorus stored and cycled?

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