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Life Science
Cells, Org. of Life, Stimulus/Response, Ecology, Adaptations, Extinction
| Question | Answer |
|---|---|
| Organism | any living thing |
| Cell | The basic structural, functional, and biological unit of all organisms |
| Multicellular | An organism made of many cells |
| Unicellular | An organism made of only 1 cell |
| Cell Theory | Theory that 1. all living things are made up of cells, 2. the cell is the structural and functional unit of all living things, and 3. all living cells come from pre-existing cells |
| Locomotion | Self-propelled movement |
| Stimulus | Something that causes a response |
| Response | An action following a stimulus |
| Tissue | A group of cells in an organism with a similar structure or function |
| Organ | Two or more tissues in an organism that are organized to do a particular job; e.g. brain, leaf, stomach |
| Organ System | Related organs that work together to do a set of tasks; e.g. digestive system |
| Heredity | The passing of traits from the parents to offspring by genes |
| Digestive System | Body organs responsible for getting food into and out of the body and for making use of food |
| Circulatory System | The system consisting of the heart and a closed system of vessels (arteries, veins, and capillaries) which provide a continuous flow of blood to your body, supplying the tissues with oxygen and nutrients |
| Cell Wall | The fairly rigid layer surrounding the plant of fungus cell, located external to the cell membrane, which provides the cell with structural support, protection, and acts as a filtering mechanism |
| Cell Membrane | The semi-permeable boundary of all cells |
| Chloroplast | A green structure of plant cells and other organisms in which food is made by photosynthesis |
| Nucleus | A membrane-bound organelle that contains the cell’s DNA and has a role in processes such as growth, metabolism, and reproduction |
| Cytoplasm | The material between the nuclear and cell membranes; includes fluids, organelles, and various membranes |
| Respiratory System | The system by which oxygen gets taken into the body and an exchange of oxygen and carbon dioxide takes place |
| Integumentary System | The body system that is the natural outer body covering of an animal such as the skin |
| Immune | Having protection (antibodies) against disease-causing agents |
| Skeletal System | A body’s supportive system consisting of bones and connective tissues |
| Nervous System | The system of cells, tissues, and organs that regulates the body’s responses to internal and external stimuli |
| Asexual Reproduction | Reproduction in which an organism produces one or more copies of itself, such as fission or budding |
| Sexual Reproduction | Producing a new generation by the combining of male and female sex cells |
| Regeneration | Regrowth of lost tissue |
| Trait | Distinguishing characteristic or quality |
| Sex Cell | Reproductive cell(gametes) |
| Fertilization | Fusion of gametes to produce a new organism of the same species |
| Ovum | An egg cell |
| Pollination | The process in which pollen is transferred from the male to the female part of the flower |
| Light | A form of electromagnetic energy that travels in waves through space and can be seen when it interacts with matter |
| Gravity | The force of attraction between all masses in the universe |
| Temperature | Average kinetic energy of molecules in an object |
| Innate Response | An organism’s natural reaction to a stimuli |
| Nocturnal | An organism that is active at night |
| Hibernation | A state in which metabolism slows in certain animals, reducing their need for food and protecting them from the cold |
| Biotic | Parts of an ecosystem living or once living |
| Abiotic | Nonliving, physical and/or chemical attribute of a system |
| Population | Group of organisms of the same species living and reproducing in a particular habitat or geographic region |
| Ecosystem | The interacting system of a biological community and it’s non-living environmental surroundings |
| Food Web | All of the interactive feeding relationships by which energy and nutrients are transferred between organisms in a community |
| Species | A group of organisms that are capable of breeding to produce fertile offspring |
| Community | An ecological unit composed of groups of organisms or a population of different species occupying a particular area |
| Producer | Any organism, such as a plant, that is able to make food through photosynthesis or chemosynthesis |
| Consumer | Any organism requiring complex organic compounds for food, which are obtained by preying on other organisms, or by eating particles of organic matter |
| Decomposer | An organism that eats dead things or decaying matter |
| Photosynthesis | Chemical process in which a plant cell uses energy from sunlight along with carbon dioxide and water to produce food and oxygen |
| Radiant Energy | Energy which is transmitted by waves |
| Chemical Energy | A form of potential energy in which energy is stored in chemical bonds; e.g. energy stored in a battery or food |
| Energy Transfer | Energy transferred, by doing work or heat, from one location to another |
| Fungi | Group of organisms lacking chlorophyll and are usually non-mobile, filamentous, and multicellular |
| Bacteria | Microscopic, single-celled organisms that possess a prokaryotic type of cell structure |
| Successive Generations | Generations that occur after a first |
| Biological Diversity | The range of a natural variety of species in an ecosystem |
| Adaptations | A characteristic that helps an organism survive in its environment or reproduce |
| Natural Selection | 1) Process by which individuals that are better adapted to their environment survive and reproduce more successfully than less adapted individuals 2) Theory to explain the mechanism of evolution |
| Generations | Offspring that are at the same stage of descent from a common ancestor |
| Extinction | The gradual process by which a group of related organisms dies out |
Created by:
jenningsk
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