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34 terms

Plant Homeostasis

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Thigmotropism
The response of a plant to touch.
Hormone
Substance produced in one part of a plant that affects another part of a plant.
Auxins
Cell elongation
Cytokiniens
stimulate cell division and growth of lateral buds, cause dormant seeds to sprout
Gibberellines
The rapid increase in size (fruit)
Ethylene
Ripeing of fruit, a gas.
Gravitropism
The response of a plant to the force of gravity.
Phototropism
The response of a plant to grow towards light.
Cuticle
Protects the leaf from excessive loss of water.
Mesophyll
Where photosynthisis occurs.
Roots
Where the leaves get water for photosynthisis.
Stomata
opening that controls gas exchange and transpiration
Fibrous Root
The primary and secondary roots are the same size. ex:grass
Taproot
One large thick root with secondary roots coming out.
Root Hair
Increase the surface area for maximum water absorbtion.
Roots Function
To get water, and to anchor the plant.
Stems Function
To transport water and for structural support.
Xylem
Water Transportation
Phloem
Nutrient Transportation.
Leaves Fuction
To absorb light for photosynthesis.
Photosynthisis
The sun's energy converted to sugar
Transpiration
The evaporation for water out of the stomata, the loss of water is replaced by the roots.
Gas exchange
The leaves take in carbon dioxide and release oxygen.
Sporangia
round brown spots used to resist drying on the bottom of the fern.
Gymnosperms female location
seed cone on the bottom.
Gymnosperm male location
pollen cone on top
Gymnosperm
Wind pollenation
Angiosperm
Largest and most advanced that have flowers that promote pollenation
Fruit
Structure best insured varried seed dispersal.
Nonvascular
small, no xylem and phloem, no vascular tissue, no true roots, stems, or leaves.
Vascular
have xylem and phloem, have true roots, stems and leaves, large
Dermal Tissue
epidermis, protection, H2O, CO2, and O2 regulation.
Ground Tissue
Mesophyll, contains vascular tissue
How Nonvascular plants transport
Difusion and osmosis