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22 Cards in this Set
- Front
- Back
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How can biology be visualized?
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Biology can be visualized as a hierarchy of units that include molecules, cells, tissues, organs, organisms, populations, communities, and the biosphere.
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What is the central unit of study in biology?
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The organism
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What are the three domains that all organisms are separated into?
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Archaea, Bacteria, Eukarya
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The domain Eukarya is divided into what four main kingdoms?
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Fungi, plants, protists, animals
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Each species is identified by what two names?
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The first, the genus name, refers to a group of species that share a recent common ancestor. The second name, the species name, identifies a single species with the genus. For example, the scientific name of modern humans is Homo sapiens.
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What are five parts to the Scientific Method?
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Making observations
Asking questions Forming hypotheses, or tentative answers to the questions Making predictions based on these hypotheses Testing the predictions by making additional observations or conducting experiments |
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If the results of continued testing support the hypothesis, it may come to be considered a what?
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Theory
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What happens if the results do not support a hypothesis?
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It may be modified or abandoned
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Look at figure 1.6
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:)
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Look at figure 1.12
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:)
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Look at figure 1.10
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:)
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Most tests of hypotheses are of what two types?
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Controlled experiments and The comparative method
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What is the independent variable?
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The variable being manipulated
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What is the dependent variable?
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The response that is measured
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Biology is the scientific study of what?
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Living things
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What is life?
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An organized genetic unit capable of metabolism, reproduction, and evolution
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What are the characteristics of all living things?
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Consist of one or more cells
Contain Genetic Information Use Genetic Information to Reproduce themselves Are Capable of Biological Evolution Use Nutrients to Supply Energy to Build New Structures Can regulate their internal environment Interact With One Another |
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What is the basic unit of life?
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Cells
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What is evolution?
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The combination of reproduction and errors in the duplication of the genetic material
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The differences among living things that enable them to live in different kinds of environments and adopt different lifestyles are called what?
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Adaptations
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What is metabolism?
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An organism’s total chemical activity and consists of thousands of individual chemical reactions
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What is homeostasis?
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The maintenance of a relatively stable internal condition, such as temperature
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