Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Chapter 12 Anthophyta Characteristics Two Classes Monocot vs Dicot
Document related concepts
no text concepts found
Transcript
Anthophyta Characteristics • Vascular systems Chapter 12 • Flowers • Fruits Angiosperms • Angiosperms– “encased seeds” • >235 k spp Two Classes • Difference is the number of cotyledons – Embryonic leaves Monocot • Parallel Veins vs Dicot • Branched Veins • Liliopsida- Monocots – Mono= 1, 1 cotyledon • Magnoliopsida- Dicots – Di= 2, 2 cotyledons 1 Monocot Stems vs • Scattered Vascular Tissue Dicot Monocot Stem Examples • Vascular Tissue in a Ring Dicot Stem Examples Roots Moncot vs • Vascular tissue outer ring Dicot • Vascular tissue in center 2 Secondary Growth Monocot vs Dicot • No secondary growth – Tall not wide • Secondary growth – Tall and wide Flower Parts Flower Parts Paterns Monocot vs Dicot • Flower parts in multiples of 3 • Flower parts in multiples of 4 or 5 Flower Parts • Petals • Androecium (Stamens) – Filament – Anther • Gynoecium (Carpel/Pistils) – Stigma – Style – Ovary • Sepals 3 Flower Parts Inferior vs Superior Ovary Perfect vs Imperfect Flower Complete vs Incomplete Perfect= Androecium + Gynoecium Imperfect= Androecium OR Gynoecium • Complete– All 4 major parts • Incomplete– Missing one or more of the 4 major parts Perfect Imperfect 4 Pollen Syndromes • The way a flower is pollinated Wind Pollinated • No showy flowers – Animal • Bird • Mammal • Insect – Bee vs beetle vs butterfly vs moth – Wind – Water Water pollinated Beetle Polinated 5 Fly Pollinated Moth Pollinated Bee Pollinated Butterfly Pollinated 6 Butterfly or Humming Bird Humming Bird Pollination Bat Pollination 7
