Term
| What is the name of the haploid and dipload generation of angiosperms? |
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Definition
(n): gametophyte
(2n): sporophyte |
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Term
| What does 'alteration of generations' mean in repect to the life cycle of angiosperms? |
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Definition
| Moving from haploid to diploid |
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Term
What is the microgametophyte and the megagametophyte
Where do they form? |
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Definition
Pollen grains and embryo sacs respectfully
Form in chambers of the anthers and within the ovules (which in turn are within the ovaries) |
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Term
| In bryophytes, is the gametophyte dependent on the sporophyte? What about angiosperms? |
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Definition
| No, other way around. And opposite in angiosperms |
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Term
| What are compressed shoots with four whorls of modified leaves called? |
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Definition
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Term
| What are the reproductive and non-reproductive organs of a flower? |
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Definition
Reproductive: stamens, carpels
Non-reproductive: Carpels |
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Term
| What constitutes the stamen? |
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Definition
| The anther and the filament |
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Term
| What constitutes the carpel? |
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Definition
| The stigma, style and ovary |
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Term
| What are incomplete flowers? |
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Definition
| Lack one or more of the floral parts (speals, petals, stamens and carpels) |
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Term
| What are perfect and imperfect flowers? |
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Definition
Perfect: both stamens and carpels are present
Imperfect: Staminate (carpels missing) or carpellate (stamens missing) |
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Term
| A plant has one flower with a carpel and a stamen, and another plant has two flowers, one staminate and the other carpellate. Which is monoecious and which is dioecious? |
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Definition
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Term
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Definition
| Groups of flowers and their subsequent arrangements |
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Term
| Name some types of inflorescences |
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Definition
Composite flowers (sunflowers)
Umbel (flowers on stalk i.e. carrot)
Spikes, racems (grasses, lupins) |
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Term
| What is the purpose of flower variation? What are examples? |
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Definition
Access to different animals (colour and scent) and wind, fittest pollen, protection of ovaries (Long styles and filaments)
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Term
What are annuals, perennials and clonals?
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Definition
Annuals: complete life cycle with formation of flowers and seeds
Perennials: flowers and seeds numerous times throughout life
Clonal: perpetuate without sex at all
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