plant parts powerpoint
TRANSCRIPT
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Plant Parts and
FunctionsMelissa Morris
Covering: 2014A
2014B
2014C
2014D
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Parts of The
Plant• oots
• !eaves• "te#
• Flo$er• "eed
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oots• 2 Types ofRoot Systems% Taproot%Fibrous
System
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oots Taproot SystemPrimary roots growdown from thestem with some
secondary rootsforming
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ootsFi&rous oot"'ste#
Small lateralroots that spreadout just belowthe soil surface
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Can you identify these roottypes?
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oot Functions
• Absorption of water and nutrients
%performed by root hairs• Transportation of water and
nutrients to stem
• Anchor plant to maintain stability• Store food and water
Roots ha e ! primary functions
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Parts of the oot
• "pidermis%#utermost layer of cells$ li%e the s%in of
the root• Corte&
% Tissue inside epidermis that stores starch
and other substances for the growth ofthe root
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Parts of the oot
• Root Cap% Pro ides protection for
the root tip
• Root 'airs% Site of absorption
• (ascular Tissue% )ithin corte&$ contains
cells that transportwater$ nutrients$ andminerals to all parts ofthe plant
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(#)ortant Functions of
!eaves• Photosynthesis
%Process that plants use to producetheir food
%*C# 2 + *' 2# C* ' ,2 # * + *# 2
• Transpiration
%-oss of water and e&change of carbondio&ide
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!eafParts• .lade
% /ain body of leaf
• Petiole%Attaches blade to
stem
• /idrib% -arge central ein
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!eaf Parts•
Ape&% Tip of leaf • .ase
% Attaches to petiole 0 if petiole is absent$ attachesdirectly to stem
• /argin% "dge of leaf
• "pidermis% 1S%in of leaf 3 responsible for gas e&change
• Stomata% #utside layer of leaf opening in epidermis where gasand water e&change
• /esophyll% /iddle layer of leaf where photosynthesis occurs
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Functions of the"te#• Transport water
and nutrients
from roots tolea es• Supports lea es$
fruit$ and 4owers• Food storage
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Parts of the"te#• 5ode
% Areas where side branchesand lea es de elop
• 6nternode% Area between nodes
• 7ylem% Carries nutrients up
• Phloem% Carries nutrients down
• Pith% Stores food
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Flo$er Function
• Flowers are pollinated by8%)ind%6nsects%.irds
Sexual Reproduction!!!!
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Flo$er Parts
• Pistil%Female part of
plant%Containing8
• Stigma• Style• # ary
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Flo$er Parts• Stamen
%/ale reproducti epart
%Contains• Anther• Filament
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Flo$er
Parts• Petals
% 'ighly colored partof the 4ower$ maycontain perfumeand9or nectar glands
• Sepals%Small green
structures on thebase of a 4ower thatprotect the 4owerbud
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Parts of the "eed
• "mbryo% :rowing part of seed containing8
• Plumule 0 1Shoot
• 'ypocotyl 0 Stem• Radical 0 1Root
• "ndosperm% Tissue that pro ides nutrition for the de eloping seed
• Cotyledon% Food Storage
• Seed Coat% Protecti e outer co ering of the seed
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Parts of the "eed
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