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| The study of living organisms, divided into many specialized fields. |
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| What are the characteristics of life? |
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- order
- metabolism
- responsivines
- reproduction
- Development
- heredity
- mobility
- cell theory
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Each structure or activity lies in a specific relationship to all stuctures and activities. |
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Organized chemicals steps that break down and build up molecules, making energy available or building needed parts.
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| Organisms perceive the environment and react to it. |
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| Ordered sequences of progressive changes results in an individual acquiring increased complexity |
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| Population of organisms change over time, acquiring new ways to survive to obtain and use energy and reproduces |
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| Specific structures, behaviors and abilities gained for better lifes for there environment |
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| Genes that are possed from parent to offspring and control physical, chemicalm, and behavioral traits. |
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| Using their own power, organisms move themselves or their body part. |
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| all living things come from prexisting cells |
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| What was the oldest organisms fossil? |
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| Scientific study of how organisms interact with their environment and with each other and of mechanisms that explain the distribution and abundance of organisms |
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| Series of chemical reactions by which cells aquire and use energy and that contribute to repair, growth, and other survival processes. |
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| The self-propelled movement of an individual or its parts. |
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| Type of reproduction in which new individuals a rise from only one person |
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| are altenate forms of a gene |
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| The increased survive and reproduction of individuals better adapted to the environment |
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| A community of organism interacting with a particular environment |
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| Part of the earth that supports life. |
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| a pure substance cannot be broken down into simpler substances by chemical means |
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| into which an element can be broken down and still retain the properties of the element |
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| a cluster of two or more atom s held together by specific chemical bonds |
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| a positively charged subatomic particle found in the nucleus of an atom |
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Definition
| a subatomic particle without any electrical charge found in the nuecleus of an atom |
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| n alternative form of an element having the same atomic number but a different atomic mass due to the diffrent number of neutrons present in the nucleus. |
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| an atom that has gained or lost one or more electrons, thereby attaining a positive or negative charge |
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| An attractive force that keeps atoms together in a molecule. |
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| Having a symmetrical distribution of electrical charge. |
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| having an asymmetrical distribution of electrical charge |
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| a type of molecular bond formed between ions of opposite charge |
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| a substance capable of dissolving other molecules |
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| a substance that has been dissolved in a solvent |
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| compound that dissolve readily in water, such as salt |
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| compounds that do not dissolve readily in water such as oil |
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| molecules that are based on carbon and contain hydrogen |
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| molecules that are not based on carbon |
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| a group of atoms that confers specific behavior to the (usually Larger) molecules to which they are attached. |
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| A simple sugar that be decomposed into smaller sugar molecules. |
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| A carbohydrate made up of many simple sugars linked together |
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| Polysaccharide composed of long chains of glucose subunits. |
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| Polysaccharide made up of branched chains of glucose. |
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| The chief constituent of the cell wall green plants, some alga, and a few other organisms |
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| Complex nitrogen-containing polysaccharide that forms cell walls of certain fungi; exoskeletons of insects,arthropods |
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| one possible shape of amino acids in a protein that resembles a spiral staircase. |
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| secondary protein structures in which hydrogen bonds link two parts of a protein into a shape like a corrugated sheet. |
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| region of a less specific but constant shape that link other parts of a protein |
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| a bond joining two amino acids in a protein |
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| amino acids joined together by peptide bond into long chains. |
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| an energy storage molecules that contains a glycerol bonded to three fatty acids. |
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| a sticky,solid,waterproofing of plant leaves. |
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| a major class of lipids based on a 4-carbon-atom ring system and often a hydrocarbon tail. |
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| Nucleic acid similar to DNA except that it is generally single-stranded and contains the sugar ribose and the base uracil replaces thymine |
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| the enzyme that facilitates "reverse" transcription of RNA and DNa |
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