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Related Flashcards
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Cards In This Set
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Organization of living things: smallest to largest
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Molecule (DNA), cell, tissue, organ, organ system, organism
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The definition of energy
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Capacity to do work to maintain organization of cell and organism
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Definition of metabolism
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All chemical reactions that occur within a cell
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Photosynthesis definition
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Process in plants that transforms solar energy into a chemical energy in bonds of organic nutrient molecules
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What is not a goal of science?
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Establish unchanging truths
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Science relies on...
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Testing explanations
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Based on observations you assume that water speeds bread mold growth. what part of the scientific process is this?
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Hypothesis
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Who reviews articles for peer-reviewed journals
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Anonymous, independent experts
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How does sharing ideas through peer-reviewed articles advance science?
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Come up with new questions to study
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What is descent with modification?
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Evolution
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Definition of natural selection
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Becoming modified over time through adapting differently.
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What is the biosphere and how is it organized?
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All communities put together that are within a thin layer of life that encircles the earth; organisms-population-species-community- ECOSYSTEM!
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What are the main features of an ecosystem to help it thrive?
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Food chain, predator/prey
process of taking in energy ex: there is a mouse, eagle, plant and the sun; plant gains inorganic nutrients from the soil, the rat eats the plant taking in the nutrients, eagle eats rat, eagle dies, nutrients back to plant. Solar energy flows to all organisms and converted to heat which eventually dissipates. |
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Current ecosystem issues (2)
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Deforestation in the rainforests; acid rain
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Definition of taxonomy
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How living things are classified
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