Basic Plant Structure and Tissue Systems
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16 Terms
basic structure of the plant
plant body
plant body
roots, stems, leaves
herbaceous
green stem plants
woody
woody stem
annuals
complete life cycle in 1 season and then turn to bulbs, seeds or corms (wheat)
perennials
live longer than 2 years (peach)
deciduous
lose leaves during winter (oak)
evergreen
lose leaves but not all the time (pine)
3 tissue systems
- ground tissue - makes up bulk
- vascular tissue - responsible for transport of the plant
- dermal tissue - covers plant body
meristematic tissue
undifferentiated and unspecialised and occurs in growth regions of plants
meristematic tissue contains
actively dividing cells that result in formation of other tissue types
apical meristematic tissue
found in buds and growing tips of plants
(makes plants grow taller or longer)
lateral meristematic tissue
makes plant grow thicker
- woody trees and plants
bud
undeveloped shoot of meristematic tissue
meristematic cells
- small
- cubic
- densely packed
- no intercellular space
- large nucleus
- dense cytoplasm
- no vacuole
meristematic tissue found in
stem tips and buds
- zones of plant where growth takes place (buds, tips of stems, tips of roots)