SeedPlants:Angiosperms

Botany1Mrs.Russell

Objec>ves

•  Understandthebasicdifferencesbetweenangiospermsandgymnosperms

•  Diagramthelifecycleofafloweringplant•  Knowthecharacteris>csofflowersassociatedwithspecifictypesofpollinators

•  Knowthedifferencesbetweenamonocotandadicot

•  Angio=vessel(thecarpel)•  Sperma=seed

•  Theseeddevelopsfromanovule(enclosedintheovary)

•  Theovarybecomesthefruit—so…whenyoueatanapple,youareea>ngtheovaryofthatflower…

PartsofaFlower

StaMEN=malepartCarpel=femalepart

Stamen

Carpel

Classifica>onofAngiosperms

•  AllarecurrentlyinthephylumMagnoliophyta– Dividedintotwolargeclasses:

1.  Magnoliopsida(dicotsoreudicots)2.  Liliopsida(monocots)

LifeCycleofa

TypicalFloweringPlant

Pollina>onvs.Fer>liza>on

•  Pollina>on—Transferofpollengrainsfromananthertoas>gma

•  Fer>liza>on—Unionofeggandsperm,maytakedaysaXerpollina>on

TypesofPollina>on

•  Wind•  Insects•  Water•  Birds•  Bats•  Gravity•  Mammals

NamethePollinator!

Hummingbird

Bird-PollinatedFlowerCharacteris>cs

•  Redororange•  Nectarhiddenbyafloraltube•  Li_leornofragrance•  Nolandingpla`orm

NamethePollinator!

Bu_erfly

Bu_erfly-PollinatedFlowerCharacteris>cs

•  Blue,yellow,orange•  Nectaratthebo_omofthefloraltube•  Landingpla`orm

NamethePollinator!

Bat

Bat-PollinatedFlowerCharacteris>cs

•  Flowersopenatnight•  Producealotofnectarandpollen(asareward)

•  Whiteorlightcolored•  Fragrant—sweetsmelling•  Mayhangdownfromthebranches

NamethePollinator!

Bees

Bee-PollinatedFlowerCharacteris>cs

•  Flowersopenduringtheday•  Brightlycolored•  Sweetsmellorminty•  Landingpla`orm•  Symmetrical

StudyGuide

•  TestonTuesday•  StudydayonMonday