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Midterm Voc.

midterm vocab

WordMeaning
Asexual Reproduction Offspring that are genetically identical to the parent.Offspring from one parent.
Autotroph An organism that produces it's own nutrients from inorganic substances. ex: Photosynthesis
Biology The study of life
Heterotroph Organism that obtains organic food molecules by eating other organisms.
Homeostasis The maintenance of a stable level of internal conditions even though the environmental conditions are constantly changing.
Multicellular Describes a tissue,organ,or organism that is made up of more than one cell.
Unicellular Describes a tissue,organ,or organism that is made up of one cell.
Organism An independent individual that possesses all characteristics of life.
Reproduction the process of producing offspring.
Sexual Reproduction Reproduction in which gametes from two parents unite.
Development The process by which an organism becomes a mature adult. ex: cell division, cell differentiation,and specialization
Metabolism the sum of all the chemical reactions that take place in an organism.
Atom The smallest unit of an element that maintains the chemical properties of that element.
Atomic number the number of protons in the nucleus of an atom
Bond holding atoms together
Chemical Reaction The process by which one or more substances change to produce one or more substances.
Compound substance made up of atoms or two or more different elements joined by chemical bonds.
Covalent bond Forms when two atoms share one or more pairs of electrons.ex: H20
Electron a subatomic particle that has a negative charge.
Element a substance that cannot be separated or broken down into a simpler substance by chemical means.
Ion an atom,radical,or molecule that has gained or lost or more electrons and has a negative or positive charge.
Ionic bond the attractive force between oppositely charged ions, which form when electrons are transferred from one atom to another.
Molecule a group of atoms that are held together by chemical forces.
Activation Energy the minimum amount of energy required to start a chemical reaction.
Created by: barbiesmth8
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