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Science 8 Biology
(Molecular Biology) NC Science 8 standards for 8.L.5
Question | Answer |
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Photosynthesis | the process by which the cells of plants and some other organisms use the energy of sunlight to make their own food |
Cellular Respiration | the process by which cells break down sugar to release stored energy |
Nutrient | a substance that an organism needs to carry out life functions |
Nervous System | the human body system that gathers and responds to information about the surrounding environment |
Digestive System | the human body system that takes in food and breaks it down into smaller molecules that can be used by cells |
Circulatory System | the human body system that carries oxygen and food to cells and carries carbon dioxide and wastes away from cells |
Respiratory System | the human body system that takes in oxygen from the air and passes it to the circulatory system, and releases carbon dioxide and water vapor to the air |
Toxic | harmful to the body |
Addiction | a physical dependence on a substance |
Microorganism | a living thing that cannot be seen without a microscope |
Microbiology | the study of microscopic organisms |
Pathogen | a microorganism that causes disease |
Fungus | a one-celled or many-celled organism such as a mushroom, yeast, or mold; a member of the kingdom Fungi |
Parasite | an organism that lives in or on another organism and benefits at the other organism's expense |
Virus | a pathogen that consists of a microscopic core of genetic material surrounded by a protein coating |
Bacteria | one or two domains of prokaryotes |
Antibiotic | a drug that kills bacteria or slows their growth |
Infectious Disease | a disease that can be passed from one organism to another |
Epidemic | an outbreak of a disease that affects many people in an area |
Pandemic | an epidemic that spreads over a large area, or throughout the world |
Vector | an organism that transmits a disease |
Vaccine | a weakened or dead form of a pathogen that causes an organism to develop immunity against that pathogen |
Gene | a tiny part of a chromosome that helps determine a particular trait |
DNA | a large molecule containing the genetic information that determines an organism's traits |
Biotechnology | the manipulation of living things to make useful products |
Genome | the complete sequence of an organism's DNA |
Genetic Modification | a technology that changes the genetic material of a living organism |
Cloning | a technique that produces an organism that is an exact genetic copy of another |
Asexual Reproduction | a process of reproduction that involves only one parent and produces offspring genetically identical to the parent |
Sexual Reproduction | the process in which cells from two parents join to produce offspring |