Term
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Definition
| Biology is the study of life, biologist use observations to test and solve problems. |
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Term
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Definition
| Life can be studied at diffrent levels from molecules to the entire living planet. |
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Term
| How are organisims divided? |
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Definition
| Organisms are divided into; Bacteria, Archaea, and Eukarya. |
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Term
| Characteristics of Living Things include? |
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Definition
- Made of cells
- Metabolism/energy processing
- Growth and development
- Reproduction
- Respond to the environment
- Evolutionary adaption
- Have a life span
- Made of DNA
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Term
| The scientific process includes what? |
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Definition
| Making observations, forming logical hypotheses, testing each hypothesis(collecting data) and forming conclusions. |
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Term
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Definition
| Whena hypothesis has been tested and confirmed many times it is then considered a theory. |
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Term
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Definition
| The smallest unit of matter that still retains the properties of an element.(consists of a nucleus and electron shells). |
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Term
| What is the atomic number of an element? |
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Definition
| Tells the number of protons in an element. |
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Term
| What are the two types of bonds that hold atoms together to form molecules? |
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Definition
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Term
| What are hydrogen bonds and Van der Waal interactions? |
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Definition
| Weak bonds that help reinforce a molecules shape and help molecules adhere to each other. |
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Term
| How many bonds can water have? |
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Definition
| Water can have 4 hydrogen bonds due to its polar covalent bonds creating a dipole. |
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Term
| Hydrogen bonding does what? |
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Definition
| Keeps water molecules close to each other, which facilitate water properties of cohesion and surface tension. |
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Term
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Definition
| It is less dense then liquid water, which allows life to exist under the frozen surfaces of lakes and polar seas. |
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