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Biology Vocab. Stack
| Question | Answer |
|---|---|
| The scientific study of living organisms and their interactions with the environment. | Biology |
| In biology, the smallest unit that can performed all life processes; cells are covered by a membrane and have a nucleus and cytoplasm. | Cell |
| The process of producing offspring. | Reproduction |
| The sum of all chemical processes occur in an organism. | Metabolism |
| The maintenance of a constant internal state that is maintained in a changing environment by continually making adjustments to the internal and external environment. | Homeostasis |
| A segment of DNA that is located in a chromosome and that codes for a specific hereditary trait. | Gene |
| The passing of genetic traits from parents to offspring. | Heredity |
| A change in the nucleotide-base sequence of a gene or DNA molecule. | Mutation |
| A change in the charateristics of a population from one generation to the next; the gradual development of organisms. | Evolution |
| A group of organisms that are closely related and naturally mate to produce offspring. | Species |
| The process by which individuals that have favorabole variations and are better adaptted to their environment survive and reproduced more sucessfully that less well adapted individuals do. | Natural Selection |
| The study of the interactions of living organisms with one another and with their environment. | Ecology |
| The complete genetic material contained in an individual. | Genome |
| Human immunodeficiency virus, the virus that causes AIDS. | HIV |
| A tumor in which the cells begin dividing at an uncontrolled rate and become invasive. | Cancer |
| A fatal genetic disorder in which excessive amounts of mucus are secreted, blocking intestinal and bronchial ducts and causing difficulty in breathing. | Cystic Fibrosis |
| The replacement of a defective gene with a normal verison. | Gene Therapy |
| The process of obtaining information by using the senses. | Observation |
| A theory or explanation that is based on observations and that can be tested. | Hypothesis |
| A statement made in advance that expresses the results that will be obtained from testing a hypothesis if the hypothsis is supported; the excepted outcome if a hypothesis is accurate. | Prediction |
| A value used to express the acidity or alkalinity of a solution; it's defined as the logarithm of the reciprocal of the concentration of hydronium ions; a pH of 7 is neutral, a pH of less than 7 is acidic, and a pH of greater than 7 is basic. | pH |
| A procedure that is carried out under controlled conditions to discover, demonstrate, or test a fact, theory, or general truth. | Experiment |
| In an experiment, a group that serves as a standard of comparison with another group to which the control group is identical except for one factor. | Control Group |
| The factor that is deliberately manipulated in an experiment. | Independent Variable |
| In an experiment, the variable that is changed or determined by manipulation of one or more factors. | Dependent Variable |
| An explanation for some phenomenon that is based on observation, experimentation, and reasoning. | Theory |
Created by:
ohawkins
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