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21 Cards in this Set
- Front
- Back
Cellulose
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Polymers of sugar.
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Saprobes
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Parasitic autotrophs.
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Bryophytes
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Mosses. Nonvascular plants.
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Pterophytes
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Ferns. Have true vascular tissue, strong roots, and large leaves called fronds.
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Gymnosperms
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Conifers. Characterized by producing seeds on the surface of cones. Require no water for fertilization.
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Angiosperms
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Flowering plants.
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Xylem
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Carries water upward from the roots to all parts of the plants.
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Phloem
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Transports solutions of nutrients and carbohydrates produced by photosynthesis to all parts of the plant.
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Pollen grain
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The male gametophyte in seed plants.
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Ovule
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The female gametophyte in seed plants.
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Seed
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The 2N embryo of the plant that is encased on a protective covering and surrounded by a food supply.
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Fruit
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A thick wall of surrounding tissue to protect the seed.
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Annuals
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Plants that die each year.
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Perennials
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Plants that continue to live through winter and grow from year to year.
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Biennials
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Plants that have a life cycle that lasts 2 years. They grow roots, produce flowers and seed , then die.
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Hormone
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A substance produced in one part of an organism that has an effect in another part of the organism.
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Target cell/ hormone
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The portion of an organism that is affected by a particular hormone.
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Auxins
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Plant hormones that stimulate growth towards a source of light.
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Gravitropism
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The tendency of a plant to grow in response to the force of gravity.
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Tropism
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When plants change their patterns and directions of growth in response to environmental stimuli.
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Thimotrophism
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The response of plants to touch.
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