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Chapter 28 BIO191

QuestionAnswer
Angiosperms Flowering plants.
Seeds Reproductive structures produced by flowering plants and other seed plants, usually as the result of sexual reproduction.
What do seeds allow plants to do? Survive periods unsuitable for growth, remaining in dormant conditions until environment improves.
What do seeds contain? Embryos that develop into young plants/seedlings when seeds germinate.
Sporophyte Embryos and seedlings. Large, spore producing generation of flowering plants.
Gametophyte Function of sexual reproduction in flowers.
Stem Produces leaves and branches and bear the reproductive structure of mature plants.
Leaves Flat structures emerging from stems and enables photosynthesis.
Shoot Stem and leaves together.
Root Provides anchorage in soil and foster efficient uptake of water and minerals.
Meritstem Region of undifferentiated cells that produces new cells by cell division. (Merizein means to divide.)
Where does a dormant meristem occur? Shoot and root tips of seed embryos, becomes active in seedlings.
In mature plants, where does the meristem occur? Stem and root tips, also known as stem root apical meristems.
What are stem and root tips called? Apicles.
What does SAM stand for? Shoot apical meristem.
What does RAM stand for? Root apical meristem.
What powers the transformation of seedlings into mature plants? Photosynthesis.
The development of mature plants encompasses both? Vegetative growth and reproductive growth.
What is vegetative growth? Process that increases size of shoot and root systems.
Do spores produce gametophytes? Yes.
Created by: Hsuj
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