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vocab bio 1

Human Biology Chapter 1 Vocab.

QuestionAnswer
Atom Smallest unit of an element composed of electrons, protons, and neutrons.
Biodiversity Number of different species present.
Biology The study of living organisms and there environment.
Cell The structural and functional unit of all living things.
Domains 1. Bacteria 2. Archaea 3. Eukarya
Ecosystem A community plus the physical environment
Evolution The process by which a species changes through time.
Experiment A series of procedures to test a hypothesis.
Extinction Death of a Species.
Gene Short sequences of hereditary material that specify the instructions for a specific trait.
Homeostasis The ability of a cell or an organism to maintain an internal environment that operates nder specific conditions.
Hypothesis Input from carious sources is used to formulate a testable statement.
Invertebrate ex. earthworm, insects, and mollusks. Not having a nerve cord protected by a vertebral column.
Metabolism All of the chemical reactions that occur within a cell.
Molecule Union of two or more atoms of the same or different elements.
Multicellular ex. Humans Because we are composed of many different types of cells.
Mutation
Atom Smallest unit of an element composed of electrons, protons, and neutrons.
Biodiversity Number of different species present.
Biology The study of living organisms and there environment.
Cell The structural and functional unit of all living things.
Domains 1. Bacteria 2. Archaea 3. Eukarya
Ecosystem A community plus the physical environment
Evolution The process by which a species changes through time.
Experiment A series of procedures to test a hypothesis.
Extinction Death of a Species.
Gene Short sequences of hereditary material that specify the instructions for a specific trait.
Homeostasis The ability of a cell or an organism to maintain an internal environment that operates nder specific conditions.
Hypothesis Input from carious sources is used to formulate a testable statement.
Invertebrate ex. earthworm, insects, and mollusks. Not having a nerve cord protected by a vertebral column.
Metabolism All of the chemical reactions that occur within a cell.
Molecule Union of two or more atoms of the same or different elements.
Multicellular ex. Humans Because we are composed of many different types of cells.
Mutation Minor variations in these genes, called mutations, may result in an organism making it better suited for its environment. These mutations are the basis of evolutionary change.
Organ Composed of tissue functioning together for a specific task.
Organism An individual; complex individuals contain organ systems.
Organ System Composed of several organs working together.
Principle Term preferred terminology for theories generally accepted as valid by an overwhelming number of scientists.
Population Organisms of the same species in a particular area.
Species Group of interbreeding organisms.
Tissue A group of cells with a common structure and function.
Vertebrates Animals that have a nerve cord protected by a vertebral column. ex. Fish, reptiles, amphibians,
Created by: IvonneM
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