Section 1: Organisms and Their Relationships - Damm's Science Page
Section 1: Organisms and Their Relationships
Biotic and abiotic factors interact in complex ways in communities and ecosystems.
K What I Know
W What I Want to Find Out
L What I Learned
Essential Questions
? What is the difference between abiotic factors and biotic factors? ? What are the interactions between the levels of biological communities? ? What is the difference between an organism's habitat and its niche?
Copyright ? McGraw-Hill Education
Organisms and Their Relationships
Vocabulary
Review
? species
New
? ecology ? biosphere ? biotic factor ? abiotic factor ? population ? biological community ? ecosystem ? biome
Copyright ? McGraw-Hill Education
? habitat ? niche ? predation ? symbiosis ? mutualism ? commensalism ? parasitism
Organisms and Their Relationships
Ecology
? Organisms depend on other organisms and nonliving factors in their environment for survival.
? Ecology is the scientific discipline in which the relationships among living organisms and the interaction the organisms have with their environments are studied.
? Ecologists observe, experiment, and model using a variety of tools and methods.
Copyright ? McGraw-Hill Education
Organisms and Their Relationships
The Biosphere
? The biosphere is the portion of the Earth that supports life. ? Includes landmasses, freshwater, saltwater, lower portions of the
atmosphere, and areas beneath the Earth's surface
Copyright ? McGraw-Hill Education
Organisms and Their Relationships
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