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Biology 10th grade
Semester 1 Final
| Term | Definition |
|---|---|
| Chemical Reaction | Result when two or more elements are chemically mixed. |
| Buffer | Mixtures that react with acids or bases to keep pH within a particular range. |
| Species | Group of specific organisms. |
| Population | Same species living in same place and time. |
| Niche | Role or position that an organism has in its environment. |
| Invasive Species | Non-native species that are transported to a new habitat. |
| Ecology | Study of how organisms interact with one another and their environment. |
| Peer Review | Results of the factor being tested. |
| pH Scale | Measure of concentration of hydrogen in a solution. |
| Catalyst | Substance that lowers the activation energy needed to start a chemical reaction. |
| Hypothesis | Information gathered from a logical statement. |
| Theory | A Statement that can be proven about an subject. |
| Observation | Information collected with the senses. |
| Inference | Conclusions based on observations. |
| Independent Variable | You can change and control. |
| Dependent Variable | Change as result of Independent variable. |
| Control Variable | Stays the same through out. |
| Acids | Releases hydrogen ions when dissolved in water. |
| Bases | Releases hyroxide ions when dissolved in water. |
| Reactants | Starting Substance. |
| Products | Substances formed by the reactions. |
| Solute | Substance that is dissolved in the solvent. |
| Solvent | Substance in which another substance is dissolved. |
| Autotroph (Producer) | Gets energy by sunlight. -Plants |
| Heterotroph (Consumer) | Gets energy by consuming other organisms. -Animals |
| Limiting Factor | Restricts numbers, reproduction or distribution of organisms. |
| Carrying Capacity | Max number of individuals in a species that environment can support for long term. |
| Prokaryote | Unicellular. |
| Eukaryote | Multicellular. |
| Mutualism | Both organisms benefit. |
| Commensalism | One benefits and the other is unaffected. |
| Parasitism | One benefits and the other is harmed. |
| Nucleus | Contains most of DNA. The center is the nucleolus where ribosomes are formed. |
| Endoplasmic Reticulum | System of folded sacs. |
| Mitochondria | Converts sugar into energy. |
| Golgi Apparatus | Flattened stacks of membranes that package protein into sacs called vesicles. |
| Ribosome | Helps make proteins. |
| Vacuole | Vesicles used for temporary storage for food, enzymes and water. |
| Lysosome | Digests old organelles, food particles, and foreign matter. |
| Cytoplasm | Semi-fluid material that fills the cell. |
| Chloroplast | Captures light and converts it into energy. |
| Centriole | Groups of microtubles used in cell division. |
| Cell Wall | Thick, rigid, surround plasma membrane. |
Created by:
MakStabs
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