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24 Cards in this Set
- Front
- Back
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_______ is the study of life
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biology
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________________ are due to structural arrangement
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emergent properties
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__________ - something that causes a reaction
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stimuli
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Hierachy of organization
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atom, molecule, organelle, cell, tissue, organ, system, organism, population, community, ecosystem, biosphere
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___________ - localized group of organisms belonging to the same species
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population
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__________ - populations of different species living in the same area
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community
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_________ - community interactions that include nonliving features of the enviroment, such as soil, water, and sunlight
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ecosystem
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_________ - non living
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abiotic
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________ - living
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biotic
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__________ - the lowest level of structure capable of performing all the activities of life
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cell
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All cells are 1. _____ and 2. _____
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are enclosed in a membrane, contain DNA
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________ cells do not contain DNA because they mature and loose DNA to fit easier into capillaries
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red blood cells
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___________ - DNA is organized inside along with certain proteins into structures called chromosomes
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Nucleus
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The nucleus is the largest organelle in most eukaryotes except ______
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plant cells
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_________ consists of a thick fluid called cytosol where organelles are suspended
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cytoplasm
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____________ - tough external walls surrounding the cell membrane
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cell wall
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5 contributors to cell theory
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Robert Hooke, Leeuwenhoek, Schleiden, Schwann, Virchow
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_____________ developed cell theory
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Virchow
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Cell Theory
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1. ALl living things are made of cells
2. THe cell is the basic unit of life 3. ALl cells come from other cells |
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Properties of life - energy use
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pohotosynthesis transforms light energy into glucose and humans TRANSFER the plants into their mouths to absorb the energy
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Properties of life - stimuli
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pupil dilation when light shines in eyes
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properties of life 0 homeostasis
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feedback mechanisms and glucose/liver levels
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Prokaryotic cells have a ________ - an extra ring of DNA
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plasmid
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Virus is living or non-living?
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non-living
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