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30 Cards in this Set
- Front
- Back
- 3rd side (hint)
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what is biology
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the scientific study of life
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7 properties of life
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reproduction,evolution,adaptation
,response to stimuli,homeostasis,order,uses energy |
rear hoe
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ecosystem
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interactions between organisms and their environments
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ecosystems depend on
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cycling of nutrients, fliw of energy
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what is the cell
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the lowest level of structure that can perform all activities required for life
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2 types of cells?
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prokaryotic, eukariotic
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what is a prokaryotic cell
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oldest, smallest, simplest cell contains no organelles
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what is a eukaryotic cell?
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larger more complex and contains organelles
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what are humans and plants?pro or euk
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eukaryotic
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what are genes?
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units of inheritance that transmit information from parents to offspring
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what is the hallmark of life?
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diversity(1.8mil)
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what is the branch of biology that names and classifies the species?
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taxonomy
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what are the three domains of life?
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bacteria, archaea,eukarya
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Bacteria and archaea domains consist of....
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prokaryotic cells
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eukarya includes kingdoms....
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plantae(photosynthesis)
fungi(decomposition) animalia(eat by digesting other organisms) protist(single celled organisms) |
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unity is in diversity of life because.....
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all life uses evolving dna
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how do scientist map the changes in a species?
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a phylogenetic tree
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when did the darwinian(evolutionary) view develop?jesus
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1859 when Charles darwin developed. The Origin of the Species
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Populations separated by a geographic barrier....become
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seperate species
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what is natural selection?
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unequal reproductive sucess
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natural selection derived from....
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1 competition and overproduction
2 individual variation |
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examples of natural selection.....
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antibiotics: kill bacteria leaving the stronger ones to multiply
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what is science
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a way of knowing
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discovery science uses...
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inductive reasoning: generalization that summarizes current observations
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discovery science seeks...
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natural causes for natural phenomina
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what is a hypothesis
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a proposed explanation for a set of observations
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hypothesis driven science consist of.....
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deductive reasoning: reasoning flows from general to specific
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Example of the process of science
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is trans fat. bad for you
1)observation. body fat traces consumed trans fat 2)question. would fat of Heart attack paients be differ than healthy 3)hypothesis. healthy would contain less than 4) experiment. 79 patients 5) data 6)results |
trans fat
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what is a theory?
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a broader scope of an hypothesis
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technology is a double eged sword....why
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healthy human population doubles
but population growth is having environmental consequences |
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