Term
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Definition
any LIVING thing such as
trees, grass, cows, monkeys |
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Term
How do populations change in size? |
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Definition
They increase by birth and immigration, they decease by death and emigration. |
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Term
Which type of symbiosis is when BOTH species benefit? |
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Definition
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Term
Pioneer species are the ____________
species to populate an area. |
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Definition
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Term
Which level is most of the energy available in the food pyramid? |
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Definition
bottom, the producer level |
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Term
During the water cycle, rain is an example of..... |
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Definition
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Term
Which biome is extremely dry, cold and has permafrost; and which biome has savannas? |
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Definition
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Term
What are two main aquatic ecosystmes? |
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Definition
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Term
How are organisms dispersed from one place to another? |
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Definition
wind, ater and other living things |
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Term
When the location of pollution can be identified, this is called? |
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Definition
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Term
Which of the following is a renewable resource? |
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Definition
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Term
What factors allow the human population to grow? |
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Definition
birth rate and death rate
medical care and technology
natural resources |
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Term
Name two strategies for managing sustainable yield of fish? |
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Definition
aquaculture and fishing limits |
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Term
What is a keystone species? |
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Definition
A species that influences the survival of many other species in an ecosystem. |
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Term
What is terracing and what does it help reduce? |
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Definition
leveled section of a hill to farm and it helps reduce erosion |
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Term
What is the burning of wastes called? |
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Definition
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Term
How can air pollution be reduced? |
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Definition
ride a bike, carpool, turn off lights, to name a few |
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Term
What are the mjor sources of water pollution? |
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Definition
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Term
Which of the following foods and products come from the ocean. |
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Definition
Shrimp, fish, and algae which is either eaten or is used to make: cosmetics, shampoos, ice cream. |
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Term
Name the 3 major fossil fuels |
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Definition
1. coal
2. oil
3. natural gas |
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Term
Name the sources of renewable energy..such as sunlight, water and ______________________. |
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Definition
wind, nuclear power, biomass fuels, geothermal energy and hydrogen. |
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Term
For most of human history, people burned _________ for energy. Only recently have fossil fuels become the main energy source. |
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Definition
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