Term
| How are species related to the concept of biodiversity? |
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Definition
| Biodiversity is the variety of different species within an area. |
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Term
| How do the characteristics of living things contribute to an organism's survival? |
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Definition
1. Made of cells-Organism survive because of the functions that their cells do for them.
2. Need for Energy-Energy can make chemical reactions occur that are vital to an organism's survival.
3. Response to Environment-??? I'm not sure on this one (Jenny, Jason, any thoughts)
4. Reproduction adn development-Reproduction must occur for a species to survive and not become extinct. |
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Term
| Describe the relationship between cells and an organism. |
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Definition
| An organism is made up of many cells. |
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Term
| How does biodiversity depend on a species' ability to reproduce? |
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Definition
| Because species reproduce they go through evolution and natural selection which eventually lead to new species. This increases the biodiversity in an area. |
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Term
| True or False: A forest is considered an ecosystem. |
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Definition
| True; The forest has many organism that interact with one another to make each other survive. For example, a maple tree gives nuts for a squirrel to eat who gives the maple tree poop for fertility. (?) |
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Term
| Sweat, shiver, and thirst is all considered what? |
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Definition
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Term
| What are the two groups to an experiment? |
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Definition
| The control group which is used for a comparison and the experimental group which is used for testing the independent variable. |
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Term
| Using senses to study the world, using toold to collect measurements, and examinimg previous research results are all what? |
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Definition
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Term
| What is qualtitative and quantitative data? |
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Definition
Qualtitative: descriptions
Quantitative: numbers or measurements |
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Term
| What must a hypothesis be? |
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Definition
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Term
| What is the difference between nonsignificant and statistically significant data? |
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Definition
Nonsignificant:data shows no effect of effect happend by chance
Statistically significant:data shows likely effect |
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Term
What answers this question:
What causes any changes that might be observed? |
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Definition
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Term
| How do experiments show cause-and-effect relationships? |
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Definition
| Independent variable affects dependent variable |
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Term
| What are the differences between light and electron microscopes? |
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Definition
Light:uses beams of light to magnify an organism 1500x
Electron:uses beams of electrons to magnify an organism 100,000x |
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Term
| True or False: Both light and electron microscopes magnify living organism. |
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Definition
| False; An electron microscope can only magnify a nonliving organism |
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Term
| What are two types of electron microscopes? |
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Definition
| Scanning and transmission |
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Term
| Computer models are often used when... |
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Definition
| experiments aren't safe, practical, or ethical. |
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