Biology - The Study Of Life Crossword Puzzle

QUESTIONS LIST:

• natural selection : evolutionary process in which some living things produce more offspring than others so the characteristics of organisms change over time
• organ system : group of organs that work together to do a certain job
• ecosystem : all the living things in a given area together with the physical factors of the nonliving environment
• organism : an individual living thing
• biome : group of similar ecosystems with the same general type of physical environment
• symbiosis : close relationship between organisms of different species in which at least one of the organisms benefits from the relationship
• community : all of the populations of different species that live in the same area
• biology : science of life, study of life
• competition : relationship between living things that depend on the same resources in the same place and at the same time
• population : all the organisms of the same species that live in the same area
• evolution : change in the characteristics of living things over time; the change in species over time
• organ : structure composed of more than one type of tissue that performs a particular function
• cell theory : theory that all living things are made up of cells, all life functions occur within cells, and all cells come from already existing cells
• tissue : group of cells of the same kind that perform a particular function in an organism
• adaption : characteristic that helps living things survive and reproduce in a given environment
• gene theory : theory that the characteristics of living things are controlled by genes that are passed from parents to offspring
• biodiversity : the variety of life and its processes; including the variety of living organisms, the genetic differences among them, and the communities and ecosystems in which they occur
• cell : basic unit of structure and function of living things
• reproduction : process by which living things give rise to offspring
• homeostasis : process of maintaining a stable environment inside a cell or an entire organism
• biosphere : part of earth where all life exists, including land, water, and air