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Biology:chapter21-24

vocabulary!

QuestionAnswer
Characteristics of Plants(3) -eukaryotic -multicellular -autotrophs
Vascular Plants Plants that contain vascular tissue
Vascular Tissue tubelike elongated cells that transport food, water, minerals, and nutrients to the plant
Nonvascular Plants lack vascular tissue
Nonvascular Plants/ Non-seed Plants -mosses -liverworts -hornworts
Non-seed Vascular Plants -club mosses -horsetails -ferns
Seed Plants Vascular -cycads -ginkgoes -gnetophytes -conifers -flowering plants
Gymnosperms -caycads -ginkgoes -gnetophytes -conifers
Gymnosperms plants that do not produce seeds protected in a fruit (usually use cones for reproduction)
Angiosperms flowering plants
Angiosperms plants that form flowers for sexual reproduction and produce seeds in a fruit
Root Functions(2) -anchors the plant -stores food
Root Systems -taproots -fibrous
Taproots 1 large vertical root that produces smaller secondary roots
Fibrous roots threadlike roots that spread out below the soil surface
Root structure -epidermis -root hairs -cortex -endodermis -phloem -xylem
Root Growth: Root tip -zone of cell division -zone of elongation -zone of differentiation
stem function -transports water and minerals to the leaves -supports the leaves and flowers
Stem types -Herbaeous -woody stem
herbaeous stem soft, flexible, and green
woody stem hard, non green
woody stem structures -cork -cortex -phloem -cambium -xylem -pith
Leave Function makes food: photosynthesis
blade flat, thin portion of a leaf
Petiole attaches the blade to the stem
Leave Types -simple leaf -compound leaf -needle like leaf
Simple Leaf single undivided blade
compound leaf the blade is divided into leaflets
Leaf Structure Internal anatomy of a leaf
Leaf structure cuticle upper epidermis paliside mesophyll vascular bundles xylem phloem air space lower epidermis guard cell stomata
cuticle prevents waterloss
upper epidermis protection
paliside mesophyll photosynthesis
vascular bundle transport
xylem transports water
phloem transports food
spongy mesophyll photosynthesis
air space gasses circulate
lower epidermis protection
guard cell controls the opening and closing of the stoma
stomata where gasses pass into and out of the leaf
Plant responses tropism
tropsim a plants response to an external stimulus
Kinds of tropism phototropism gravitropism thigmotropism
phototropism plants growth in response to light
gravitropism plant growth in response to gravity
thigmotropism plant growth in response to contact with a solid object
Plant reproduction flowers
flowers organs of reproduction
Flower structure stamen anther filament stigma petal style ovule sepal
Stamen the structure consisting of an Anther and attaching filament
Anther the structure in which the sperm containing pollen grains develop
filament stalklike structure that supports the anther
stigma the tip of the pistil that recieves the pollen
petal leaf like, usually colorful structures arranged in a circle
style slender stalk of the plant that connects the stigma to the ovary
ovule the structure in the ovary that contains an egg
sepal leaflike structures that protect the developing flower bud
pollination transfer of pollen from the anther to the stigma
fertilization joining of egg and sperm
after fertilization the ovule becomes the seed and the ovary becomes the fruit
germination the resumption of growth and development of a plant from a seed
Created by: Devan15
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