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21 Cards in this Set
- Front
- Back
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What are new properties that arise in each step upward in the hierarchy of life from the arrangement and interactions among component parts |
Emergent properties |
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What is the level at which properties of life emerge? |
Cells |
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What five things can a cell do? |
Regulate it's internal environment, take in and use energy, respond to its environment, develop and maintain its complex organization, and give rise to new cells |
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Two basic forms of cells? |
Prokaryotic and eukaryotic |
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Was prokaryotic or eukaryotic first? |
Prokaryotic |
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Does energy flow from producers to consumers or consumers to producers? |
Producers to consumers |
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What are the units of inheritance that transmit info from parents to offspring? |
Genes |
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How are genes grouped? |
Into long DNA molecules called chromosomes |
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All forms of life use essentially the same code to translate what? |
Info stored in DNA into proteins |
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What does the diversity in life come from? |
Differences in DNA sequences |
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What is the entire library of genetic instructions that an organism inherits called? |
Genome |
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How many species have biologists identitied? |
1.8 million |
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What is the branch of biology that names and classifies species? |
Taxonomy |
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What are the three domains? |
Bacteria, Archaea, and eukarya |
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What did Darwin call species living today descending from ancestral species? |
Descent with modification |
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What is a mechanism for evolution? |
Natural selection |
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What is individuals varying in their traits called? |
Individual variation |
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What is it called when a population can produce more offspring than the environment can support? |
Overproduction of offspring |
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What is it called when individuals with inheritable traits best suited to the environment are more likely to survive and reproduce than less well suited individuals? |
Unequal reproductive success |
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What is it called when an increasing proportion of individuals in a population will have advantageous traits? |
Accumulation of favorable traits over time |
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What are the two types of data collected in scientific investigations? |
Qualitative and quantitative |
