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27 Cards in this Set
- Front
- Back
What are the characteristics of life?
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Order, metabolism, responsiveness, development, heredity, evolution
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What are causes of genetic mutation?
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Radiation, viruses, toxins, and random errors
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What is systematics?
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The study of biological diversity in an evolutionary context, encompassing taxonomy and involving the reconstruction of phylogenetic history
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What is phylogeny?
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The evolutionary history of a species or group of related species
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What is taxonomy?
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The science of naming and classifying organisms.
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Are mushrooms more closely related to humans or plants?
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Humans
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Name the classification of taxonomy in order
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domain, kingdom, phylum, class, order, family, genus, species
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When did plants start arriving in to earth?
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5 million years ago
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What evidences do we use to create phylogentic trees?
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Fossils, comparative anatomy, DNA and amino acid sequencing
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What is the receptacle?
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The portion of the pedicel upon which the flower parts are borne.
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What is a pedicel?
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The stalk of a single flower. It attaches the flower to the plant
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What is the calyx?
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The outermost whorl. A collective term for all the sepals
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What is a corolla?
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Term for all of the petals
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What is the function of a pedal?
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To attract pollinators and act as a landing platform.
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What is a perianth?
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the calyx + corolla
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What is the androecium?
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The male flower parts, Consists of stamens.
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What is the stamen consisted of?
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The anther and filament
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What is the gynoecium?
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Term for female parts, called carpels
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What is the carpel consists of?
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Stigma, style, and ovary
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If the ovary is superior then the flower is
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hypogynous
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If the flower has an inferior ovary, then the flower is
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epigynous
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What is the petiole?
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The talk that attaches the leaf blade to the plant
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Name the types of leaf arrangements and explain each
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Acaulescent - leaves arranged in a basal to rosette, not attached to a stern (on the ground)
Alternate - leaves alternate opposite - leaves opposite to each other. Whorled - 3 or more leaves arising from the same node. . |
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Name the different types of inflorescence.
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Solitary, spike, raceme, and panicle
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Explain a spike inflorescence
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has single sessile flower
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Explain a raceme inflorescence
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flowers are on pedicels
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Explain a panicle inflorescence
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branched raceme, very branched
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