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15 Cards in this Set
- Front
- Back
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A gamete
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is a reproductive cell that can produce a new individual only after fusing with a gamete of the opposing mating type
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Alternation of generations
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when the organism alternates between different phases, this pattern of reproduction is called:
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Bryophytes means
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moss plants
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Define rhizoids
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thin filaments that absorb water and nutrients from the soil
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Mosses are?
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the most widespread bryophytes
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What is required for fertilization of the sperm and egg of the moss gametophytes?
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standing water so that the sperm can swim to the eggs.
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Types of bryophytes
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Mosses-most widespread and hornworts and liverworts
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What are vascular plants?
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plants with tracheids that draw water from deep in the ground and carry it to great heights.
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What are tracheids
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specialized cell which conduct water, they are hollow, have thick cell walls to resist pressure and are connected end to end like a series of drinking straws
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define rhizomes
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well developed underground stems
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Define fronds
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large leaves
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What is the sporophyte in the ferns life cycle?
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The large visible plant
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Describe the life cycle of the fern
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characteristic pattern of alternation of generation of diploid (2n) sporophytes and haploid (n) gametophytes
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What enables bryophytes to absorb water and nutrients from the soil?
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rhizoids
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Moss sperm and eggs form a zygote that grows into a?
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capsule
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