CH 1 Vocab Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Term | Definition |
Biology | Study of life |
Organization | Atom, Molecule, Organelle, Cell, Tissue, Organ, Organ System. The high degree of order within an organism's internal and external parts |
Cell | Smallest unit that can perform all life's processes |
Unicellular | Made up of one cell (bacteria) |
Multicellular | Made up of multiple cells (humans/trees) |
Organs | Structures that carry out specialized jobs within an organ system |
Tissues | Groups of cells that have similar abilities and that allow the organ to function |
Organelles | Tiny structures that carry out functions necessary for the cell to stay alive |
Biological Molecules | Chemicals compounds that provide physical structure and that bring about movement, energy use, and other cellular functions |
Homeostasis | The maintenance of a stable level of internal conditions even though environmental conditions are constantly changing |
Metabolism | The sum of all the chemical reactions that take in and transform energy and materials from the environment |
Cell Division | The formation of two new cells from an existing cell |
Development | The process by which an organism becomes a mature adult |
Reproduction | Essential for continuation of species. Where organisms produce new organisms like themselves |
Gene | A short segment of DNA that contains the instructions for a single trait of an organism |
Domains | Bacteria, Archaea, and Eukarya |
Kingdoms | Eukarya-animal, plant, fungus, protist / Archaea / Bacteria |
Ecology | The branch of biology that studies organisms interacting with each other and the enviroment |
Ecosystems | Communities of living species and their physical environment |
Evolution | Descent with modification |
Natural Selection | Theory which organisms that have certain favorable traits are better able to survive and reproduce successfully than organisms that lack these traits |
Adaptions | Traits that improve an individuals ability to survive and reproduce |
Observation | The act of perceiving a natural occurrence that causes someone to pose a question |
Hypothesis | A proposed explanation for the way a particular aspect the natural world functions |
Prediction | Forecasts what would happen in a test situation |
Experiment | Used to test a hypothesis and its predictions |
Control Group | Provides a normal standard against which the biologist can compare results of the experimental group |
Experimental Group | Identical to the control group except for the IV |
IV | The experimenter manipulates it, affect the DV |
DV | Responding variable, affected by the IV |
Theory | When a set of related hypothesis is confirmed to true of many times and can explain a great amount of data |
Peer Review | Where scientists read and critique a research paper |
Compound Light Microscope | Microscope that shines light through a specimen and has two lenses to magnify an image |
Eyepiece | Magnifies image (10x) |
Obj. Lens | Enlarges the image |
Stage | Supports a slide holding a specimen |
Light source | Provides light for viewing an image |
Magnification | The increase of an objects apparent size |
Nosepiece | Structure that holds the set of obj. lens |
SEM | Passes beams over surface of specimen. 3 dimensional images (100,000x) |
TEM | Transmits a beam of electrons through a very thinly sliced specime (200,00x) |
Metric System | Standard system of measurement |
Base Units | Describe length, mass, time, and other quantities |
Created by:
15022
Popular Science sets