What Is Biology?/ Science of Biology Flashcards
Homeostasis
Maintaining a stable environment inside a cell or an entire organism
Natural Selection
Living things produce more offspring than others so the characteristics of organisms change over time
Organ
Structure composed of more than one type of tissue that performs one function
Organ system
Groups of organs that work together
Organism
An individual living thing
Population
All the organisms of the same species that live in the same area
Reproduction
Process by which living things give rise to offspring
Tissue
Group of cells of the same kind that perform the same function
Ecosystem
All living things in a given area together with the physical factors of the non living environment
Cell theory
Theory that all living things are made up of cells and life functions occur ing cells and all cells come from already existing cells
Community
All populations of different species that live in the same area
Competition
Relationship between living things that depend on same resources in the same place and same time
Evolution
The change in characteristics of living things over time
Gene theory
Theory that the characteristics of living things are controlled by gene that are passed from parents to offspring
Cell
Basic unit of structure and function of living things
Biosphere
Part of Earth where all life exists including land, water, and air