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Outline_Lecture_16 - 4 Biotic Insects(beetles bees...

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Outline Lecture 16 Touring the angiosperms 1. A fossil angiosperm: Archaefructus- sister taxa to modern flowering plants 2. The most ancestral extant group: Amborella- shrub flowers perfect, only 1 sex develops fully, dioecious 3. Modern groups- magnoliidae, monocots, eudicots 4. Nymphaeales and Austrobaileyales- N: like lotus, aquatic plants with beautiful flowers and no tracheid cells/ A: spice stars 5. Chloranthaceae and Ceratophyllum: Chl- dozen species of woody plants/ Cera- 6 species which float under surface of water 6. Magnoliidae, Eudicots, and Monocots- E: broad leaves w/ branch veins/ M: thin leaves with parallel veins Coevolution of plants and pollinators 1. Pollination versus fertilization- P: gametes are dispersed/ F: when 2 gametes come in contact and zygote is formed 2. Abiotic vs biotic- not living vs living 3. Abiotic: Water and wind – water: pollen floats/ wind: wind carries pollens
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Unformatted text preview: 4. Biotic: Insects (beetles, bees, butterflies, moths) • Floral specialization occurs • Coevolution • Beetles: large greenish or white/ heavily spicy or fruity scent • Bees: short tongued (like flies)- flowers w/ exposed pollen or next like roses or daisies Long tongued (like butterflies)- deep well nectar Butterflies vs Moths: color vs none 5. Biotic: Birds and bats • Birds- low amino acid nectar/ orange or red • Bats- strong odored plants that are white and open at night 6. Plant goal achievement: Trap flowers, a case study Key terms/concepts: 1. What is the “abominable mystery”? 2. Definition of pollination syndrome Organisms to know: Amborella trichopoda Water lily Star anise Magnolias Nutmeg Cinnamon Avocado Black pepper Rose Pea Violet Maple Cabbage Buttercup Sunflower Wheat Banana Ginger Garlic Daffodil Orchid Tulip Hawk moth Trap flowers...
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