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21 Cards in this Set
- Front
- Back
What is the fundamental generalization in biology?
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All living things are composed of Cells
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What is the boundary of a cell?
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Cell membrane
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What are some examples of membrane organelles?
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Golgi apparatus, ribosomes, mitochondria and lysosomes
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What is the difference between eukaryotic and prokaryotic organisms?
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Eukaryotic organisms are more complex and the DNA is found in the nucleus
Prokaryotic are simple cells, DNA floats in the middle of the cell. |
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What is an example of a prokaryotic organism?
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bacteria and cyanobacteria
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In what kind of organism does one cell become specialized to perform specific functions?
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Mulicellular Organisms
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What are the three parts of the cell theory?
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1. All living things are composed of cells
2. Cell is basic unit of life 3. cells come from pre-existing cells |
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What are three things common to all cells?
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1. Cell membrane
2. DNA 3. Ribosomes - where proteins are made. |
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How do Amoeba's move?
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form cytoplasmic extensions called pseudopodia.
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How do Euglena's move?
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Flagellum
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What are some examples of Protozoans?
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Amoeba, Euglena, Paramecium, Stentor, Chlamydomanoas
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How do Paramecium move?
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Cilia
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What are two examples of Ciliated protozoan.
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Paramecium and Stentor
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How does a stentor move?
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Cilia
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What is an example of unicellular green alga?
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Chlamydomonas
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How do Chlamydomonas move?
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two short flagella
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What are some examples of Metazoans?
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onion cells, Elodea, Human epithelial cells, Hydra, planaria
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What phylum is the hydra a member of ?
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Cnidaria
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What phylum does planaria belong in?
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platyhelminthes (flatworms)
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What is bilateral symmetry?
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having similar right and left halves
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What are some features of the planaria?
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bilateral symmetry, a permanent, internal reproductive system, various layers and bundles of muscles, a branching, blind gut that reaches throughout the body, and excretory system composed of specialized "flame cells" and a simple nervous system with an enlarged brain in the front end.
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