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College Bio Ch 1

Biology: Exploring Life

QuestionAnswer
Biology the scientific study of life
Evolution the process of change that transforms life
Emergent Properties new properties that appear as one moves up life's hierarchy
Biosphere all the environments on Earth that support life
Ecosystems all the organisms living in a particular area
Community the array of organisms living in a particular area
Population all the individuals of a species within a specific area
Organ System composed of organs that have specific functions
Organs provide specific functions for the organism
Tissues made of groups of similar cells
Molecules clusters of atoms
Organelles membrane-bound structures with specific functions
Cells living entities distinguished from their environment by a membrane
Upper Tier a global perspective of life
Middle Tier characterized by the organism
Lower Tier life emerges
Organism an individual living thing
Producers photosynthetic organisms that provide food
Consumers eat plants or animals that profit from plants
System combinations of structures that provide organization
Prokaryotic Cells simple and small cells- bacteria
Eukaryotic Cells possess organelles separated by membranes- plants, animals, fungi
DNA the genetic material in all cells
Hereditary genetic
Order the complex organization of living things
Regulation an ability to maintain an internal environment consistent with life
Growth and Development consistent growth and development controlled by DNA
Energy Processing acquiring energy and transforming it to a form useful for the organism
Response to the Environment an ability to respond to environmental stimuli
Reproduction the ability to perpetuate the species
Evolutionary Adaptation acquisition of traits that best suit the organism to its environment
Domain groups of life
Bacteria prokaryotic, diverse, widespread, most unicellular and microscopic
Archaea prokaryotic, unicellular and microscopic, extreme conditions
Eukarya eukaryotic, contain a nucleus and organelles, plantae, fungi, animalia
Natural Selection results from exposure of heritable variations to environmental factors that favor some individuals over others
Discovery Science uses verifiable observations and measurements to describe science
Hypothesis-Based Science uses the date from discovery science to explain science
Hypothesis a proposed explanation for a set of observations
Theory supported by a large and usually growing body of evidence
Created by: AZoller
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