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Definition
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| 7 Characteristics of life |
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Definition
| Organization, take in materials and energy, homeostatis, response to stimuli, growth and development, adaptation, and reproduction |
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| atoms, molecules, organells, cells, tissues, organs, organisms |
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Definition
| The simplest structure to have all the characteristics of life. |
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Term
| Explain how both plants and animals take in materials and energy. |
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Definition
Humans have food for both
Plants have light for energy and for material they have H2O(water), CO2 (carbon dioxide) & minerals. |
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Definition
| fairly constant internal conditions Ex: body temperature, pH level, blood sugar, amount of water in body, etc. |
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Definition
Growth - increase in mass
Development - control of growth |
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Definition
| Strucutres and functions suited to a particular environment (ex: bird has hollow bones for flight, and frogs have clear eyecover to swim with) |
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Definition
| critical for a population to maintain itself. |
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Definition
| classification and naming of organisms. |
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| Classifications of organisms |
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Definition
| domain, kingdom, phylum, class, order, family, genus, species. |
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| Kingdoms (domain Eukarya) |
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Definition
| Protista, Fungi, Plantae, Animalia |
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Term
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Definition
| single celled - simple multicellular |
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| an attempt to understand the physical characteristics of the world around us based on physical evidence. |
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Term
| Explain the Scientific Method |
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Definition
| Observation - have to question and observ then answer from that a hypothesis which is subject to change. Next test the hypothesis by more observation, experiments, and collecting data. Modify the hypothesis (sometimes it is right to begin with) next bring to a conclusion and form a theroy (also can be subject to change) |
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Term
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Definition
| statement/idea that has a low level of confidence. |
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Definition
| concept suported by a large amount of physical evidence |
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Definition
| the application of science |
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| Science & technology responsiblity |
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Definition
| everyone in a society needs to be able to make informed decisions about the application of science/technology. |
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Definition
| science deals only with materials & it cannot be the basis for moral decisions. |
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Definition
| must a variety of philosophies such as science, religion, art, etc. |
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Definition
| Samllest particle to have all characteristics of an element. |
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Term
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Definition
| two particles a proton (positive electrial charge) and a neutron (neutral, no charge) they btoh contribute to the mass of an atom. |
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Term
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Definition
| orbit the nucleus in layers called shells. the particles have a negative charge and they are too small to contribute to the mass of the atom. |
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Term
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Definition
| Substance composed of only one type of atom. Within an element all the atoms have the same # of protons. |
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Term
| How many naturally occur elements are there |
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Definition
| 92 naturally occuring ones and 109 elements in total |
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Term
| what basic elements make up 98% of a typical organism |
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Definition
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Term
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Definition
1. Atomic number
2. Element
3. Atomic Mass |
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Definition
| the number of protons in an element |
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Definition
| number of protons plus the number of neutrons |
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Term
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Definition
| atoms of the same element with different atomic masses |
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Term
| explain the placement of electrons in shells. |
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Definition
| electrons must equal number of protons. the first shell holds only 2 electrons, and all other shells hold up to 8. |
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Term
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Definition
| atoms will react(bond) with one another in order to attain a filled outer shell (exception to H & He) |
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