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19 Cards in this Set
- Front
- Back
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What three main things are needed in order for a seed to germinate?
1 2 3 |
1.moisture
2. right temperature 3.oxygen |
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_________ means to remain inactive
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dormant
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What happens with a seed if it does not have the three main conditions for germination?
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It will remain dormant.
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What is another way for saying "dormant"?
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"a deep sleep"
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Some seeds contain a ____ that keeps them from germinating until all conditions are right, or until enough rain washing it away.
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chemical
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What are the three stages of germination:
1 2 3 |
1.the seeds swells
2.a radicle (root)grows and heads towards the soil 3.a plumule makes it way to the surface of the ground |
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In the first stage of germination, moisture provides ___ to the seed that is needed for digestion and respiration.
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oxygen
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___ and _____ process food for energy for the plant
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digestion and respiration
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What is the purpose of the radicale in germination?
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To provide water and nutrients to the seed from the soil.
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What is the importance of the plumule in the plant's germination?
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To begin the process of photosynthesis so that the plant can make its own food.
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When a plant no longer needs the cotyledons for food, and can make its own, it is called a ____.
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seedling
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A plant which develops from a seed and produces new seeds in a single growing season is called a _______.
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annual
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What is a growing season?
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A fraction of a year when climate conditions are favorable for plant growth.
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What are some examples of an annual?
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peas, beans, corn and rice
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Plants that live through two grwing season in order to complete their life cycle are called? _____
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biennials
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Examples of biennels are:
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carrots, beets, lettuce
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_______ are plants that live from year to year, and bloom each year.
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perennials
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_________ is nonwoody plants
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herbaceous
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______ _______ are flowering plants that come back from year to year to bloom and make seeds.
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herbaceous perennials
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