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38 Cards in this Set
- Front
- Back
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Angiosperms are...
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Flowering plants
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When a plant offers nectar in exchange for pollination by a bee or other flying animal, the relationships is...
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Mutualistic
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What is the diploid plant called and how does it give rise to haploid plants?
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A sporophyte, my meiosis
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What is the haploid plant called and what is special about it?
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A gametophyte; it produces sperm/eggs
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T/F: Angiosperm gametophytes are the most reduced of all plants, consisting of only a few cells.
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True
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What are the 3 key derived traits of the angiosperm life cycle?
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Flowers, double Fertilization, and Fruits (3 Fs)
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T/F: Gymnosperms are seed plants.
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True
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What are sepals, petals, stamens, and carpels? What are they attached to?
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Floral organs; The receptacle
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Flowers that have all four basic organs are known as...
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Complete flowers
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If a flower lacks sepals, petals, stamens, or carpels, it is called an...
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Incomplete flower
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Flowers lacking either stamens or carpels are called...
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Unisexual
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The male gametophyte generative cell and tube cell produce a...
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Pollen grain
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T/F: The tube cell produces a pollen tube when it senses pollen on the stigma, and it forms all along the style until it reaches and fertilizes the ovary.
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True
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In angiosperms, the transfer of pollen from an anther to a stigma accomplished by wind, water, or animals is...
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Pollination
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The two nuclei within the ovule of the plant ovary are called...
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Polar nuclei
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The union of two sperm cells (from the original nucleus of the pollen grain having been split up) with different nuclei of the female gametophyte is called...
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Double fertilization
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A food storing tissue of the seed is called an...
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Endosperm
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T/F: Coconut "milk" and "meat" are examples of liquid and solid endosperm, respectively.
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True
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When a seed stops growing and its metabolism nearly ceases, this stage is called...
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Dormancy
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The uptake of water due to the low water potential of the dry seed is called..
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Imbibition
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T/F: During seed growth, the flower ovary turns into a fruit for protection of the seed.
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True
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A pea fruit is a...
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Simple fruit
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An raspberry fruit is an...
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Aggregate fruit
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A pineapple fruit is a...
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Multiple fruit
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Fruits in which other parts (not just the ovary) join to form the fruit are called... eg?
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Accessory fruits (apples)
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The separation of a parent plant into parts that develop into whole plants is known as... [2]
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Fragmentation (or vegetative reproduction)
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What is apoximis?
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When a diploid cell in the ovule gives rise to an embryo which forms an identical plant; form of asexual reproduction
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An important advantage of asexual reproduction is that there is no need for a...
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Pollinator (also, the clones produced by asexual reproduction are not as frail as seedlings produced by sexual reproduction)
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In what type of species can plants NOT self-fertilize because different individuals lack either stamens or carpels?
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Dioecious species
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The ability of a plant to reject its own pollen and sometimes the pollen of closely related individuals in order to prevent selfing is called...
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Self-incompatibility
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When a twig or bud from one plant is placed onto the root of a plant of another species it is called...
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Grafting
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The plant that provides the root system is called the...
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Stock
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The twig grafted onto the stock is called the...
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Scion
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Why do planters use grafting?
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To hybridize the favorable traits of two species of plants
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T/F: Entire plants can be grown in vitro through the dividing, undifferentiated callus cells and transplanted into soil as plantlets where thousands of the same identical plant can grow.
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True
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Plants that have been genetically modified to express a gene from another species are called...
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Transgenic
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What is it called when the cell walls of two plant cells are removed and then combined to make one hybrid species with different genetic pros/cons?
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Protoplast fusion
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The sugars of broken down cellulose which are fermented into alcohol and distilled, yield...
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Biofuel
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