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a plant that produces a fertilized egg (embryo) that is encased within a seed structure.
properties of seeded plants
Use vascular tissue to move materials.
Reproduce using pollen and seeds.
plants can't move, and so disperse seeds in many ways, such as wind, water, and animals.
the process that starts when seed comes in contact with water. Embryo uses endosperm to grow out of seed.
objectives of roots
1) Anchor plant in the ground.
2) Absorb minerals + water from soil.
3) Food source.
leaves and photosynthesis
1) Carbon Dioxide from Stomata.
2) Water from Xylem.
3) Sugar + Oxygen made in Mesophyll.
4) Sugar go to Phloem.
5) Oxygen out of Stomata.
gametophyte of gymnosperms
grow inside cones. Sperm made in pollen. Egg made in ovule. Wind moves pollen to ovule. Sperm enters ovule-fertilization. Wind disperses seed to new location.
seed has 1 cotyledon (initial leaf). Vascular tissue scattered through in plant. Flower petals in 3s.
a plant hormone that speeds up the rate of growth of plant cells. Plant uses _____ to grow towards or away from stimuli.
critical night length
the number of hours of darkness that determines whether or not a plant will flower.
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