Set: Biology and You, Terms from chapter on of Biology Textbook

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All 26 Terms

Term Definition
Biology The study of life.
Cells Highly organized tiny structures with thin coverings called membranes.
Reproduction Is the proccess by which organisms make more of their own kind from one generation to the next.
Metabolism The sum of all of the chemical ractions carried out in an organism.
Homeostasis The maintenance of stable internal conditions in spite of changes in the external environmen.
gene The basic unit of heredity.
heredity The passing of traits from parent to offspring.
mutation A change in the DNA of a gene is called.
evolution Changes in the inherited characteristics of species over generations is called..
species A group of genetically similar organisms that can produce fertile offspring.
natural selection The process ub which organisms with favorable traits are more likely to survive and reproduce.
ecology The branch of biology that studies the interactions of organisms with one another and with the nonliving part of their enviornment.
genome The complete genetic material contained in an individual.
HIV a virus that attacks and destroys the human immune system.
Cancer A tunor n which the cellls begin dividing at an uncontrolled rate and become invasive.
Cystic fibrosis A fatal genetic disorder in which excessive amounts of mucus are secreted, blocing intestinal and bronchial ducts and causing difficulting in breathing.
Gene Therapy The replacement of a defective gene with a normal version.
Observation The act of noting or perceing objects or events using the senses.
Hypothesis An explanationthat might be true, a statement that can be tested by additional observations or experimentation.
Prediction The expected outcome of a test, assuming the hypothesis is correct.
PH A relative measure of the hydrogen ion concentration within a solution.
Experiment A planned procedure to test a hypothesis.
Control Group A group in an experiment that receives no experimental treatment.
Independent Variable The factor that is changed in an experiment.
Dependent Variable The variable that is measure in an experiment is called the. ..
Theory A set of related hypothesis that have been tested and confirmed many times by many scientests.

Set Information

Terms 26
Creator tereza
Created January 20, 2008
Groups None
Subjects biology, ph, hiv, genome, gene, holt, cells, species
Access Anyone
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Description

All of the terms are derived from the "Holt biology Johnson- Raven Textbook" published in 2004

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Most Missed Words

  1. Reproduction → Is the proccess by which organisms make more of their own kind from one generation to the next. - 1 miss
  2. heredity → The passing of traits from parent to offspring. - 1 miss
  3. mutation → A change in the DNA of a gene is called. - 1 miss
  4. evolution → Changes in the inherited characteristics of species over generations is called.. - 1 miss
  5. Cystic fibrosis → A fatal genetic disorder in which excessive amounts of mucus are secreted, blocing intestinal and bronchial ducts and causing difficulting in breathing. - 1 miss
  6. PH → A relative measure of the hydrogen ion concentration within a solution. - 1 miss
  7. Control Group → A group in an experiment that receives no experimental treatment. - 1 miss