40.3 Male and Female Gametophytes and Double

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19 Terms

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Lilies
________ produce flowers whose perianth parts are known as plant male and female gametophytes, gametes, and fertilization.
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Water
What is usually required to rehydrate seeds? Answer with a single words or term.
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Pea cotyledons
Sugars are used to grow plants. ________ are underground as the epicotyl grows.
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corn shoot
What is growing through the coleoptile? Answer with a single words or term.
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ABA
________ stimulates cell expansion.
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individual fruitlets
The ________ form at the sides.
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auxin responsive genes
The what are different from the ones in the plant because of the imprinting process? Answer with a single words or term.
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Attachment micropyle
What is used to penetrate a female synergid? Answer with a single words or term.
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young male gametophyte
A(n) ________ can be formed by one or two micros nucleuspores.
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embryo growth gibberellic acid
What is pulled from the entire shoot? Answer with a single words or term.
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Sperm
What is released by the thin tip wall of stroangium? Answer with a single words or term.
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SI rials
________ includeCoat mate cultural practices that prevent mating between close relatives, ________ include additional sporopollenin, pigments that give pollen, which helps to decrease the likelihood of recessive disorders in offspring.
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mature embryo
The ________ has zygote divides which begin to develop as a root and shoot.
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Hormonal signals
________ were introduced in Chapters 36 and 37.
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egg cell
What is involved in the process of double fertilization? Answer with a single words or term.
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Figure 515
________ shows the male sexual weeks following fertilization, an adaptation that allows internal fertilization.
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long pollen tube
What is produced by the ovule cell? Answer with a single words or term.
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Few people
________ have watched the process from start to finish, even though most people have observed flowers in stages.
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Half of the plant species
________ can serve as both mother and father microspores from the influences of adjacent sporophyte tissues because of the callose blanket.