뒤로General Biology Key Terms
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Artificial selection is the process by which humans breed plants and animals for particular genetic traits.
Biology is the scientific study of life and living organisms.
The biosphere includes all ecosystems on Earth where life exists.
A cell is the basic unit of life, the smallest structure capable of performing all life functions.
A community is an assemblage of different populations living together in a defined area.
A controlled experiment tests the effect of one variable by keeping all other variables constant.
Data are recorded observations or measurements collected during an experiment.
The dependent variable is the factor measured or observed in an experiment; it responds to changes in the independent variable.
A domain is the highest taxonomic rank in biological classification, grouping organisms based on fundamental differences.
An ecosystem consists of all living organisms in an area plus the physical environment with which they interact.
Emergent properties are new characteristics that arise at each level of biological organization that are not present at lower levels.
Evolution is the process of change in the genetic makeup of populations over generations.
An experiment is a scientific test carried out to support or refute a hypothesis.
A gene is a segment of DNA that codes for a specific protein or function.
Gene expression is the process by which information from a gene is used to synthesize a functional gene product, like a protein.
A hypothesis is a testable explanation for a scientific question or observation.
The independent variable is the factor that is deliberately changed in an experiment.
A molecule is two or more atoms bonded together, forming the smallest unit of a chemical compound.
Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.
An organ is a structure composed of different tissues working together to perform a specific function.
An organ system is a group of organs that work together to perform complex functions.
An organelle is a specialized structure within a cell that performs a specific function.
An organism is an individual living entity capable of independent life.
A population is a group of individuals of the same species living in a specific area.
Science is a systematic process for acquiring knowledge about the natural world through observation and experimentation.
Systems biology studies the interactions and emergent properties of biological systems as a whole.
Technology applies scientific knowledge for practical purposes, often to solve problems or create tools.
A theory is a well-substantiated explanation of some aspect of the natural world, supported by a large body of evidence.
Tissue is a group of similar cells that perform a common function.