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Science topic 5&6

Hi its a science thingy

QuestionAnswer
What are ecosystems made of? Biotic and Abiotic factors.
What is ecological succession? A change in an ecosystem over time.
What is the difference between primary succession and secondary succession? Primary - is a slow process that starts from almost no living things. Secondary - Started by an event( fire,tornado, ect) and hurts the ecosystem.
What is biodiversity? The number and variety of different species of plants and animals in an area.
Why is biodiversity important for ecosystems and natural resources? Humans depend on earth's natural resources and great biodiversity has a direct effect.
How have humans impacted our oceans? Negative - Water pollution, over harvesting positive - Artificial reefs
Created by: s54492
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