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Definition
| A prediction or explanation that may be tested, verified, or answered by investigation. |
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Definition
| An explanation known to be true based on proven facts. |
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Definition
| The part of the experiment where nothing is changed. |
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Definition
| When organisms keep the conditions inside their bodies as constant as possible despite outside conditions. |
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Definition
| A group of organisms of the same species living in the same area at the same time. |
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| What are the monomers of the four groups of biomolecules? |
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Definition
1. Nucleotides (Nucleic Acids)
2. Monosaccharides (Carbohydrates)
3. Glycerol & Fatty Acids (Lipids)
4. Amino Acids (Proteins) |
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Definition
| The minimum amount of energy required to start a chemical reaction. |
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Definition
| An enzyme that speeds up the rate of chemical reactions and lowers the energy of activation. |
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Definition
| A group of organisms living in the same area at the same time. |
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| What do legume plants offer to the soil? |
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Definition
| Legume plants harbor bacteria in their roots which put nitrogen in the soil. |
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Term
| What is recycled and what is not recycled in the environment? |
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Definition
| Matter is recycled. Energy isn't recycled - it flows through the biosphere. |
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Term
Primary Productivity
(Definition & How to Measure It) |
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Definition
| The amount of biomass from producers. Measure by removing water & weighing it. |
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| What is the difference between climate and weather? |
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Definition
Weather: The atmospheric fluctuations over a short period of time.
Climate: The atmospheric conditions over a long period of time. |
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Term
| What is the difference between an abiotic and biotic living factor in the environment? Examples? |
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Definition
Abiotic Factor: A nonliving chemical or physical factor. Ex: Soil, rocks, fire, climate
Biotic Factor: A factor created by a living organism. Ex: # of prey, # of predators |
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Term
| Why is a water molecule polar? |
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Definition
| There is an uneven distribution of electrons between the hydrogen and oxygen atoms. |
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Term
| What factors will determine population growth? |
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Definition
| # of immigrants, # of emigrants, population of predators, population of prey, natural disasters, climate. |
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| How is population density determined? |
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Definition
| Number of People / Area (sq ft, sq miles) |
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Term
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Definition
1. The cell is the basic unit of life.
2. All living organisms are made of cells.
3. All cells come from other cells. |
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Term
| How can you tell a prokaryotic cell from a eukaryotic cell? |
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Definition
| Prokaryotic Cells are: smaller, pill shaped, have a nucleoid region instead of a nucleus, have pili, and have flagella. |
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Definition
| Stores DNA and controls the cell's activities by directing protein synthesis. |
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Definition
| Make proteins according to instructions from genes. |
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Definition
| Organelles that control cellular respiration in most Eukaryotic cells. They also convert chemical nutrients in food to ATP. |
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Definition
| Where photosynthesis occurs. |
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Definition
| Elongate by adding subunits consisting of tubulin pairs - provide rigidity & shape to cell. |
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Definition
| Form a 3D network just inside the plasma membrane to help support the cell's shape. Can make cells contract. |
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Definition
| Protects the cell & helps it maintain its shape. |
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Term
| How does energy flow between the sun, autotrophs, heterotrophs, and decomposers? |
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Definition
| Autotrophs (Producers) Get Energy From Sun --> Heterotrophs (Consumers) Eat Autotrophs/Heterotrophs --> Decomposers decompose dead Heteros and Autos |
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Definition
| When two ions with opposite electrical charges attract and this attraction holds them together. |
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