Question | Answer |
Scientific Method | 1. Ask a question
2. Form a hypothesis
3. Do an experiment
4. Draw conclusions
5. Communicate results |
Control Group | The group that gets the normal accommodations |
Experimental Group | The group that gets tested |
Variable | Anything in the experiment that will effect the outcome |
Independent Variable | The variable being tested |
Dependent Variable | The possible result from testing the I.V |
SI system
(International System of Units) | 1. Length- Meters
2. Volume- Liters
3. Mass- Grams
4. Weight- pounds- Force of gravity a pon one object
5. Time- Seconds
6. Temprature- Kelvin and Celsius |
Cells | Smallest Unit of Life |
Classifying Organisms | 1. Respond to Stimuli
2. Made up of cells
3. Maintain Homeostasis
4. Reproduce
5. Grow and Develop
6. Need Nutrients |
Organization | 1. Uni or Multi cellular
2. Use energy
3. Have DNA ( Responsible for every trait in every living thing ) |
Classification | The arrangement of organisms into orderly groups based on their similarities |
Taxonomy | The science of Classification |
Aristotle | Classified on the basis of:
"Red Blood
Animals Environment
The size and shape |
Carolus Linnaeus | 1.Classified organisms based on specific traits
2.Placed Organisms in 2 categories (Kingdom, Phylum)
3. Used Latin to name living things (Easier to communicate) |
3 Domains | Archaea- unicellular, live in the most extreme conditions
Bactria- Simple unicelluar organisms
Eukarya- More complex uni and multi cellular organisms |
Modern Classification System | Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species |
Binomial Nomenclature | The 2 part scientific name for living things (Latin) |
Species | Organisms that can mate with one another and produce a viable off spring |
Robert Hooke | Discovers cells while looking at a cork though a Microscope, 1665 |
Anton Van Leeuwenhook | Looked at pond water under a Microscope, 1673 |
Matthias Schleiden | Botanist, determined all plants were made of cells, 1838 |
Theodor Schleiden | Zoologist, Concluded all animals were made up of cells, 1839 |
Rudlof Virchow | Concluded all cells came from other cells, 1858 |
Cell Theory | 1. All living things are composed of cells
2. The cell is the basic unit of life
3. All cells come from other cells |
Prokaryotic | Have no nucleus or membrane bound Organelles |
Eukaryotic | Have a nucleus and other organelles |
Bare Necessities | Water, Carbohydrates, Proteins, Nucleic Acid, Lipids |
Water | All chemical reactions in a cell need water 70% of a cell is water |
Macro-molecules | Large substances formed by smaller molecules bonded together |