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Biology 1.2 THE Study Of Life

name_______________________________

date________________________________
Across
group of organs that work together to do a certain job
all the organisms of the same species that live in the same area
all of the populations of different species that live in the same area
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
evolutionary process in which some living things produce more offspring than others so the characteristics of organisms change over time
an individual living thing
theory that the characteristics of living things are controlled by genes that are passed from parents to offspring
change in the characteristics of living things over time; the change in species over time
structure composed of more than one type of tissue that performs a particular function
Down
process by which living things give rise to offspring
relationship between living things that depend on the same resources in the same place and at the same time
basic unit of structure and function of living things
process of maintaining a stable environment inside a cell or an entire organism
theory that all living things are made up of cells, all life functions occur within cells, and all cells come from already existing cells
part of Earth where all life exists, including land, water, and air
characteristic that helps living things survive and reproduce in a given environment
all the living things in a given area together with the physical factors of the nonliving environment
group of cells of the same kind that perform a particular function in an organism
close relationship between organisms of different species in which at least one of the organisms benefits from the relationship
science of life, study of life
group of similar ecosystems with the same general type of physical environment