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27 Cards in this Set
- Front
- Back
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consists of all organisms in a particular area, along with physical components of the environment, such as atmosphere, precipitation, surface water, sunlight, soil, and nutrients.
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Ecosystem
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"plant-eaters"
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herbivores
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"meat eaters"
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carnivores
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"all eaters"
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omnivores
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plants form the base of the terrestrial food chain
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producers
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herbivores eat plants
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primary consumers
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carnivores eat animals
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secondary consumers
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secondary carnivores eat carnivores
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tertiary consumers
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effort to find naturally occurring compounds that can be used; also known as chemical prospecting
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bioprospecting
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plant growth in liquid culture instead of soil
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hydroponically
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biologists who specialize in the study of how humans use plants
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ethnobiologists
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how green plants originated and diversified...
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1. analyze morphological traits
2. analyze fossil record 3. assess similarities and differences in molecular traits |
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several phyla of green plantrs that lack vascular tissue; liverworts, hornworts, and mosses; also called byrophytes
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nonvascular plants
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several phyla of green plants that have vascular tissue and make seeds; gymnosperms and angiosperms
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seed plants
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several phyla of green plants that have vascular tissue, but do not make seeds; include horsetails, ferns, lycophytes, and whisk ferns
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seedless vascular plants
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"naked seed"
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gymnosperms
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"encased seed"
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angiosperms
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protectice struture for angiosperm seeds
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carpel
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consists of en embryo and a store of nutritive tissue, surrounded by a tough protective layer.
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seed
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specialized groups of cells that conduct water or dissolved nutrients from one part of the plant body to another
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vascular tissue
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reproductive cells
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spores
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waxy protective coating
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cuticle
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encases spores and pollen from modern land plants and helps resist drying
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sporopellenin
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spore producing structure
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sporangia
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a sequence of lineages that are not monophyletic.
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grade
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one common ancestor
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monophyletic
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includes some, but not all descendants of the last common ancestor of the group
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paraphyletic
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