Bio Chapter 1
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Created by:
Jessibear25 on July 24, 2012
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16 terms
Terms | Definitions |
|---|---|
 What are the levels of organization from largest to smallest? | biosphere, ecosytems, communities, populations, organisms, organs/organ systems, tissues, cells, organelles, molecules |
| What defines an ecosystem? | all living and nonliving components of a certain area (eg. deciduous forest, grassland, desert) |
| What defines a community? | organisms inhabiting an ecosystem |
| What defines a population? | all members of a certain species in an ecosystem |
| What are organelles? | functional components of cells |
| what is the difference between prokaryotic and eukaryotic cells? | eukaryotic cells have organelles and prokaryotic cells don't |
| What is the function of a chromosome? | to carry DNA and genes |
| What is negative feedback? | accumulation of product slows the process catalyzed by enzymes |
| What is positive feedback? | accumulation of the product speeds the process catalyzed by enzymes |
| What are the three domains of classification? | Bacteria, Archaea, and Eukarya |
| What distinguishes the kingdoms of Eukarya? | mode of nutrition (production, absorption, ingestion) |
| What is Natural selection? | the mechanism of evolution by which a certain trait is propagated among a population due to its benefits in relation to the environment |
| What is Inductive reasoning? | a derivation of generalizations from specific observations (used to form a hypothesis) |
| What is deductive reasoning? | a flow of logic from general to the specific |
| What separates a theory from a hypothesis? | A theory is more general/on a broader scope and is supported with a greater body of evidence |
| What is the difference between technology and science? | The goal of science is to understand natural phenomena whereas technology uses science to achieve a specific purpose |
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