Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
|
The scientific study of living organisms that can reproduce only among themselves and that are usually contained in a geographic region
|
Biology
|
|
|
A procedure that is carried out under controlled conditions to discover, demonstrate, or test a fact, theory, or general truth
|
Experiment
|
|
|
In biology, the smallest unit that can perform all life processes
|
Cell
|
|
|
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
|
|
|
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 parent to offspring
|
Heredity
|
|
|
A change in the nucleotide-base sequence of a gene or DNA molecule
|
Mutation
|
|
|
A change in the characteristics of a population from one generation to the next
|
Evolution
|
|
|
A group of organisms that are closely related and naturally mate to produce fertile offspring
|
Species
|
|
|
The process by which individuals that have favorable variations and are better adapted to their environment survive and reproduce more successfully than less well adapted individuals
|
Natural Selection
|
|
|
The process of producing offspring
|
Reproduction
|
|
|
The sum of all chemical processes that occur in an organism
|
Metabolism
|
|
|
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
|
|
|
The maintenance of a constant internal state in a changing environment
|
Homeostasis
|
|
|
A statement made in advance that expresses the results that will be obtained from testing a hypothesis if the hypothesis is supported
|
Prediction
|
|
|
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
|
|
|
The study of the interactions of living organisms with one another and with their environment
|
Ecology
|
