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31 Cards in this Set
- Front
- Back
what properties do all living things exhibit?
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cellular organization, metabolism, homeostasis, reproduction and heredity.
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scientific processes
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collecting observations, asking question, forming hypothesis and making predictions
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pH level
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independent variable in John Harte's experiment
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gene therapy
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replacing a defective gene with a normal gene
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the _____ ______ ______ has succed in sequencing all human chromosomes.
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human geno project
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explain what role DNA plays in an organism
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it is the transfering of genes
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give an example of how a gene mutation can be beneficial
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sycle cell people are not as aueceptable to moleria
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why is reproduction an essential part of living
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so that it would stop extinction
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define the first stage of a scientific investigation-observation
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notes about objects or events by using your five senses you are making
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sex cells
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a mutation in these cells of the cheetah can be passed to its offspring
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paramecium
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a unicellar organism
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paramecium and cheetahs
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have to maintain a stable internal enviroment
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statement that best identifies the biological theme of interpendence
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the organisms in a community live and interact with other organism
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scientist usually design experiments
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based on how well the experiment is able to test their hypothesis
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a unifying explanation for a broad range of observations
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theory
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generally the stages of a scientific investigation proceed in what order?
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observations, hypothesis, making predictions, testing predictions with experiments, drawing conclusions
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a control group
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is the group in an experiment that receives no experimental treatment
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biologist John Harte wanted to determine why there was a decline in the number of salamanders.Based on his observations, Harte suggested that acid rain might be responsible.
this suggestion was a |
hypothesis
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harte thought that he would find acid in the ponds after the snow melted. this idea was a
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prediction
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maintance of a stable internal enviroment in spite of changes in the enviroment is called
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homeostasis
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AIDS research had led to the development of
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drugs that prolong the onset of the disease
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gene therapy has provided hope for people who suffer from heredity disorders such as
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cystic fibrosis
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during gene therapy a defective gene is replaced with
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a normal gene
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the primary goal of the human genome project was
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to sequence the entire DNA contents of a human cells chromosomes
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the change in the inherited traits of species over generations is called
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evolution
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west nile virus
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an emerging disease
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genetic engineering
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a tool used to increase world food supply
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prediction
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the expected outcome of a test
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a theory in the scientific sense is
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a set of tested and confirmed related hypothesis
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to run the processes of life, all living things require
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energy
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during a scientific investigation, a researcher generally forms a hypothesis and makes predictions
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after collecting observations
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