| A | B |
|---|
| Unicellular | Single celled organisms |
| Decompose | Break down organic matter |
| Pathogens | Organisms that cause disease |
| Protists | Protozoa, Algae and Slime molds |
| Organelles | Organs of the cell |
| Aerobic Respiration | Respiration which requires oxygen |
| Sexual Reproduction | Requires two parents and exchange of genetic material |
| Asexual Reproduction | Only one parent and no exchange of genetic material |
| Heterotrophic organisms | Organisms that must obtain food from the environment |
| Autotrophic organisms | Organisms that make their own food |
| Binary Fission | Organism splitting into two organisms: A type of asexual reproduction |
| Anaerobic Respiration | Respiration that does NOT require oxygen: NOT as efficient |
| Inorganic materials | Materials that do not have either Carbon and / or Hydrogen |
| Organic materials | Contain both Carbon and Hydrogen |
| Decomposers | Recycle materials in the environment |
| Cilia | Hairlike structures needed for movement |
| Flagella | Whiplike tails used for movement |
| Nutrition | How an organism obtains food |
| Chloroplasts | Site where photosynthesis occurs in plants |
| Saprophytes | Eat dead or decaying organisms |
| Xylem and Phloem | Vascular tissue in plants |
| Vascular tissue | Carries materials around in an organism |
| Invertebrates | No backbone |
| Vertebrates | Have a backbone |
| Exoskeleton | Skeleton on the outside |
| Hypothesis | Educated guess: A statement not a question |
| Enzymes | Organic chemicals that control chemical reactions in organisms |
| Independent variable | The variable that you control: The x-axis on a graph |
| Dependent Variable | The variable you measure: The y-axis on a graph |
| Theory | A well-accepted body of knowledge about a topic |
| Photosynthesis | Process that makes food available for almost all organisms |
| Homeostasis | Balance in an organism |
| Inference | Conclusions based upon observations |
| Synthesis | Combining simple molecules to make more complex ones |
| Glucose | The main simple sugar |
| Acids | Have a pH less than 7 |
| Nucleus | Control center for a cell |
| Chloroplast | Where photosynthesis occurs in plants |
| Lysosome | Organelle that contains digestive enzymes |
| Mitochondria | Organelle that is involved in making energy in the cell |
| Community | All the organisms living in an environment |
| Population | The number of a certain species of organisms living in an environment |
| Biotic factors | Living parts of an ecosystem |
| Abiotic factors | Nonliving parts of an ecosystem |
| Temperature, pH and concentration | These affect how well an enzyme works |
| Carrying Capacity | The number of organisms that a habitat can support |
