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Ecology- Science

Key Concepts:

Terms in this set (14)

What is ecology?
The study of interactions between organisms and their environment.
What are the levels of organization in ecology?
Individual- Species- Population- Community- Ecosystem- Biome- Biosphere
What is meant by a species?
Group of organisms that share certain characteristics.
What is an individual?
One animal from a species
What is a population?
Group of the same species living in the same place at the same time.
What is a community?
All different populations that live together in a given area.
What is an ecosystem?
All of the living and non living factors that exist in a community.
What is meant by abiotic factors of an ecosystem?
Physical,nonliving factors in an ecosystem.
-Sun
-Precipitation
-Tempreture
-Soil
-Wind
-Nutrient availability
What is meant by biotic factors of an ecosystem?
Living things that make up an ecosystem.
What is a habitat?
The specific area where an organism lives with an ecosystem.
What is a niche?
The role an organism plays in its habitat it includes-
*the type of food it eats
* how it obtains food
* where it lives in its environment (tree, nest, hive, etc.)
* when and how it reproduces
What is a biome? List the biomes found on planet earth.
A set of ecosytems that share similar characteristics.
-Tundra
-Tiaga
-Temperate forest
-Tropical rain forest
-Grasslands
-Temperate rain forest
-Desert
-Mountains
What is a biosphere?
The sum of all ecosystems on Earth.
What is meant by abiotic factors of an ecosystem?
Physical nonliving factors in an ecosystem.
-Sun
-Precipitaiton
-Temperature
-Soil
-Wind
-Nutrient avaliblilty
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