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Figure 17.
Levels of Biological organization
Key definitions
Population
-
the species that live in a specific area
Community -
a group united by a shared purpose
Ecosystem -
the complex relationship between an organism community and its environment that makes up
an ecological system
Biome -
an important sort of ecological community (such as tropical rain forest, grassland, or desert)
Biosphere -
the area of the world where life is possible
Tundra -
a region similar to that but limited to mountainous terrain above timberline
Precipitation -
the process of creating a precipitate
Biodiversity -
biological diversity in an ecosystem is measured by the variety of plants and animals that
inhabit it
Inhospitable -
giving neither shelter nor food
Alpine -
an ornamental plant that is endemic to the alpine or boreal regions
1.5 Reading Resource #3:
The Five Major Types of Biomes
A biome is a sizable region
distinguished by its flora, fauna, soil, and climate. Aquatic, grassland,
forest, desert, and
tundra
biomes are the five main types, though some of these can be further broken down
into more specialized groups, such as freshwater, marine,
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