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9 Cards in this Set
- Front
- Back
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Name two major organ systems
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shoot
root |
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What is the shoot system compnents?
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leaves andd stem
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what is pyllotaxis?
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geometric aggrangement of leafs
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Descsribe alternate, spiral and 3-whorled?
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alternate: over other
sprial: leafs make up siral 3-wholred: all leafs exposed, three for each layer |
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Describe the root system (2)
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-does not produce any appendages
-no nodes, internodes, etc |
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Three criteria of homology
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-positional
-quality (stem has nodes and roots have appendages) -transitions (compare organs) |
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Shoort and roots have different...
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vascular systems
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Analogy is what
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different organ which perform same function
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give a example of analogy
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tendril, sometimes shoot, root or tenddril
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