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Related Flashcards
Cards In This Set
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______: plants spend __of time as haploid (_____), and __of time as diploid (______)
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Alternation of generations; 1/2; (gamete); 1/2 (fertilized egg)
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______: __ sperms fertilize eggs: __sperm goes through the pollen tube to ___the egg ___sperm becomes the seed's ____ substance
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Double fertilization; 1 fertilize; 1 food
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The higher _____plants are different from the ferns and their relatives by the presence of a ____.
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Vascular; seed
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As with the ferns, the ______ is the dominant generation.
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Sporophyte
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_____: contains the embryonic plant with a supply of nutrients and a ____coat to prevent drying out. It can remain ____ a long time.
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Seed; seed; dominant
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Seed plants have two types of ____ that give rise to two separate gametophytes: (_____ &______)
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Spores; male; female
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Seed plants are separated into 2 large groups: _______ & _______
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Gymnosperms; Angiosperms
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_____: have "naked seeds" (seed not enclosed by a ___) They include the ___(cone-bearing plants), ____, and ____. Pollination is done by ____.
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Gymnosperms; fruit; conifers; ginkgo; cycads; the wind
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Characteristics of Conifers: 1.) Adapted to ___weather. 2.) Have____ 3.) Have a ____life cycle
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1.) cold,dry. The needle-shaped leaves conserve water; 2.) cones. They have pollen cones (male) & seed cones (femalels) that are adaptive to landlife; 3.) complex
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______: flowering plants. Their seed develops into a ___ which comes from the ___. Pollination by __, ___, or____.
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Angiosperms; fruit; ovary; birds, insects, winds
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The ___is the sexual reproductive structure (has male and female parts=_____)
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Flower; monoecious
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____&_____: the flower's modified leaves
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Petals; sepals
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_____: the male reproductive structure that produces_____. It is composed of _____and _____.
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Stamen; pollen; filament; anther
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_____: the female reproductive structure and produces the egg in an ___. It is composed of ____, ____, &____.
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Pistil; ovule; ovary; style; stigma
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______: the depositing of a pollen grain on the ____ (on a flower)
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Pollination; stigma
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