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51 Cards in this Set
- Front
- Back
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living organisms contain:
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-are composed of cells
-are complex and ordered -respond to their environment -can grow and reproduce -obtain and use energy -maintain internal balance -allow for evolutionary adaptation |
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properties of life (a-g)
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-order
-evolutionary adaptions -response to environment -regulation -energy processing -growth & development -reproduction |
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cell organization
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atom> molecule> organelle> cell
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organismal levels
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tissues> organs> organ systems> organism
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population levels
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populations> species> community> ecosystem
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dynamics of ecosystem
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-cycling of nutrients
-energy flow (plant-consmer) |
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activities of life
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-perform work (energy-sun)
-food (carbs, proteins, fats) >converts to ATP, glycogen in liver, starch in plants -exchange of energy b/w organism and surrounding |
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DNA structure
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- double stranded helix
-made of nucleotides and sugar |
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all cells contain:
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cell membrane and DNA
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eukaryotic cell
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-multicellular, nucleous, membrane bound organelles
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prokaryotic cells
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-circular naked DNA
-no nucleus -lack membrane bound organelles |
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organelles not found in plant cells
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-centriole
-flagellum -lysosome |
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types of prokaryotes
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-bacteria
-archaebacteria -eubacteria |
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types of eukaryotes
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-protists
-fungi -plants -animals |
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system
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combination of components that form a more complex organization
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endothelial cells
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line interior surface of blood cells
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reductionism
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reducing complex systems to simpler components that are more manageable to study
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feedback regulation
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The output, or product, of a process regulates that very process
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negative feedback
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An accumulation of an end product slows the process that produces that product
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positive feedback
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The end product speeds up production
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prokaryotic cells
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-circular naked DNA
-no nucleus -lack membrane bound organelles |
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organelles not found in plant cells
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-centriole
-flagellum -lysosome |
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types of prokaryotes
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-bacteria
-archaebacteria -eubacteria |
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types of eukaryotes
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-protists
-fungi -plants -animals |
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system
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combination of components that form a more complex organization
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endothelial cells
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line interior surface of blood cells
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reductionism
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reducing complex systems to simpler components that are more manageable to study
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feedback regulation
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The output, or product, of a process regulates that very process
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negative feedback
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An accumulation of an end product slows the process that produces that product
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positive feedback
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The end product speeds up production
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taxamony
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names and classifies species
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classifying life
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Dickhead King Philip Came Over From Greece Saturday
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life classified into: (3)
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-bacteria (rod shaped structures)
-archaea-single celled, lacks nuclei and classified in kingdom Monera -Eukarya - Eukaryotes |
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cilia of windpipe
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help keep clean hair coming through
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evolution
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-accounts for life’s unity and diversity
-modification of a species over generations -"descent with modification" |
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natural selection
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individuals with superior physical or behavioral characteristics are more likely to survive and reproduce than those without such characteristics
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popluation growth
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is geometric
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arithmic
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increase in food supply
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origin of species
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-"descent with modification"
-natural selection |
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natural selection occurs when:
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When a population’s heritable variations are exposed to environmental factors that favor the reproductive success of some individuals over others
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mechanisms of heredity
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Mendel’s theories for genetic inheritance.
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homologous structures
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-have same evolutionary origin
-different structure and function. |
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analogous structures
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-similar structure and function
-different evolutionary origin |
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"tree of life"
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split into two or more descendants (Darwin)
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inquiry
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heart of science
search for information |
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discovery science
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Describes natural structures and processes as accurately as possible through careful observation and analysis of data
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inductive reasoning
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generalizations based on a large number of specific observations
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deductive reasoning
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The logic flows from the general to the specific
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hypothesis
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-testable
-repeatable -falsible |
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mimcry
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harmless species resembles a harmful species
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scientific theory
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Is broad in scope
Generates new hypotheses Is supported by a large body of evidence |
