| A | B |
|---|
| Cell | The smallest unit that can perform all life processes; cells are covered by a membrane and have DNA and cytoplasm. |
| Stimulus | Anything that causes a reaction or change in an organism or any part of an organism. |
| Homeostasis | The maintenance of a constant internal state in a changing environment. |
| Sexual Reproduction | Reproduction in which the sex cell from two parents unite |
| Asexual Reproduction | Reproduction that does not involve the union of sex cells and in which one parent produces offspring identical to itself. |
| Heredity | The passing of genetic traits from one parent to offspring. |
| Metabolism | The sum of all chemical processes that occur in an organism. |
| Producer | An organism that can make its own food by using energy from its surrounding. |
| Consumer | An organism that eats other organisms or organic matter. |
| Decomposer | An organism that gets energy by breaking down the remains of dead organism or animal wastes and consuming or absorbing the nutrients. |
| Protein | A molecule that is made up of amino acids and that is needed to build and repair body structures and to regulate processes in the body. |
| Carbohytdrate | A class of energy giving nutrients that includes sugars |
| Lipid | A type of biochemical that does not dissolve in water; fats and steroids are lipids. |
| Phosoholipid | A lipid that contains phosphorus and that is a structural component in cell membranes. |
| ATP | A molecule that acts as the main energy sources of cell processes. |
| Nucleic Acid | A molecule made up of subunits called nucleotides. |
| Prokaryote | An organism that consists of a single cell that does not have a nucleus. |
| Binary Fission | A form of asexual reproduction in single celled organisms by which one cell divides into two cells of the same size. |
| Endospore | A thick-walled protective spore that forms inside a bacterial cell and resists harsh conditions. |
| Bioremediation | The biological treatment of hazardous waste by living organisms. |
| Anitbiotic | A medicine used to kill bacteria and other microorganisms. |
| Pathogenic Bacteria | Bacteria that cause disease. |
| Virus | Microscopic particle that gets inside a cell. |
| Host | An organism from which a parasite takes food or shelter. |
| Homeostasis | The maintenance of a constant internal state in a changing environment. |
| Tissue | A group of similar cells that perform a common function. |
| Organ | A collection of tissues that carry out a specialized function of the body. |
| Skeletal System | The organ system whose primary function is to support and protect the body and allow the body to move. |
| Joint | A place where two or more bones meet. |
| Muscular System | The organ system whose primary function is movement and flexibility. |
| Integumentary System | The organ system that forms a protective covering on the outside of the body. |
| Epidermis | The surface layer of cells on a plant or animal. |
| Dermis | The layer of skin below the epidermis. |
| Cardiovascular System | A collection of organs that transport blood throughout the body. |
| Artery | A blood vessel that carries blood away from the heart to the body’s organs. |
| Capillary | A tiny blood vessel that allows an exchange between blood and cells in other tissue. |
| Vein | A vessel that carries blood to the heart. |
| Pulmonary Circulation | The flow of blood from the heart to the lungs and back to the heart through the pulmonary arties |
| Systemic Circulation | The flow of blood from the heart to all parts of the body and back to the heart. |
| Blood | The fluid that carries gases |
| Blood Pressure | The force that blood exerts on the walls of the arteries. |
| Lymphatic System | A collection of organs whose primary function is to collect extracellular fluid and return it to the blood. |
| Lymph | The fluid that is collected by the lymphatic vessels and nodes. |
| Lymph Node | An organ that filters lymph and that is found along the lymphatic vessels. |
| Thymus | The main gland of the lymphatic system it produces mature T lymphocytes. |
| Spleen | The larges lymphatic organ in the body. |
| Tonsils | Small rounded masses of lymphatic tissue located in the pharynx and is the passage from the mouth to the pharynx. |
| Respiration | The exchange of oxygen and carbon dioxide between living cells and their environment; includes breathing and cellular respiration. |
| Respiratory System | A collection of organs whose primary function is to take in oxygen and expel carbon dioxide. |
| Pharnyx | The passage from the mouth to the larynx and esophagus. |
| Larynx | The area of the throat that contains the vocal cords and produces vocal sounds |
| Ecology | The study of the interactions of living organisms with one another and with their environment. |
| Biotic | Describes living factors in the environment. |
| Abiotic | Describes the non-living part of the environment including water rocks light and temperature. |
| Population | A group of organisms of the same species that live in a specific geographical area. |
| Community | All the population of species that live in the same habitat and interact with each other. |
| Ecosystems | A community of organisms and the abiotic environment. |
| Biosphere | The part of earth where life exists. |
| Herivore | An organism that eats only plants. |
| Carnivore | An organism that eats animals. |
| Omnivore | An organism that eats both plants and animals |
| Food Chain | The pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms. |
| Food Web | A diagram that shows the feeding relationships between organisms in an ecosystem. |
| Energy Pyramid | A triangular diagram that shows an ecosystems loss of energy which results as energy passes through the ecosystems food chain. |
| Carrying Capacity | The largest population that an environment can support at any given time. |
| Prey | An organism that is killed and eaten by another organism. |
| Predator | An organism that eats all or part of another organism. |
| Symbiosis | A relationship in which two different organisms live in close association with each other. |
| Mutualism | A relationship between two species in which both species benefit. |
| Commensalism | A relationship between two organism in which one organism benefits and the other is unaffected. |
| Parasitism | A relationship between two species in which one species the parasite benefits from the other species the host which is harmed. |
| Coevolution | The evolution of two species that is due to mutual influence often in a way that makes the relationship more beneficial to both species. |
| Evaporation | The change of a substance from a liquid to a gas. |
| Condensation | The change of state from a gas to a liquid. |
| Precipitation | Any form of water that falls to the earth’s surface from the clouds. |
| Decomposition | The breakdown of substances into simpler molecular substances. |
| Combustion | The burning of a substance. |
| Succession | The replacement of one type of community by another at a single place over a period of time. |
| Pioneer Species | A species that a colonizes an uninhabited area and that starts a process of succession. |
| Law of Electric Charges | Like charges repels or push away-opposite charges attract. |
| Electric Force | The force between charged objects. |
| Electric Field | The region around a charged object. |
| Electrical Conductor | Charges move easily through his material. |
| Electrical Insulator | Charges cannot move easily through this material. |
| Static Electricity | Electric charge at rest on an object. |
| Electric Discharge | The loss of static. |
| Electric Current | The rate at which charges pass a given point. |
| Voltage | Potential difference between two points. |
| Resistance | Opposition to the electric plan. |
| Cells | Change chemical of radiant energy into electrical energy. |
| Thermocouple | Device that converts thermal energy. |
| Photocell | Converts light energy into electrical energy. |
| electrical Power | The rate at which electrical energy is converted into other forms of energy. |
| Series Circuit | A circuit in which the parts are joined one after another so the current is the same. |
| Parallel Circuit | Loads are connected side-by-side. |
| Magnet | Any material that attracts ion. |
| Magnetic Poles | Points on a magnet that have opposite magnetic qualities. |
| Magnetic Force | The force of magnetic attraction or repulsion. |
| Electronmagnetism | The interaction between electricity and magnetism. |
| Solenoid | A coil of wire that produces a magnetic field when carrying an electric current. |
| Electromagnet | A solenoid wrapped around an ion core. |
| Electric Motor | Device that charges electrical e~ into mechanical e~. |
| Electromagnetic Induction | Process by which electric current is made by changing a magnetic field. |
| Electric Generator | Device that converts mechanical e~ into electrical e~. |
| Transformer | Device that increases or decreases the voltage of an alternating current. |
