Modern Protist Diversity. Plant Clades. Plant Clades. Phylum/Division Bryophyta. Phylum/Division Pterophyta. Phylum/Division Anthophyta. Phylum/Division Coniferophyta. The ancestor of all plants was a green alga
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To survive on land, plant ancestors had to address these challengesThe Challenges of Land
no Air in,
no Water out
“White rot fungi (such as this species) primarily digest lignin leaving the whitish strands of cellulose behind… brown rot fungi digest cellulose and leave the crumbling brown lignin behind.”Fungi Aerobic Decay
the fruit wall (derived from the ovary of the pistil) which is composed of the exocarp, mesocarp and endocarp (the three layers are not always recognizable, eg. dry fruit)
the innermost layer of the pericarp (often hard, stony or papery)
the outermost layer of the pericarp (often like a skin or peel).
legume or pod
Follicle--Sweet Gum and Magnolia
one or two seeded with pericarp flattened into wings. (maple, ash)
Pecan and Oak
entire pericarp is fleshy. (grape, tomato)
Most Ferns are Homosporous
Seed-Bearing Plants often are Heterosporous
This is Pollen!
Note that the previous fruit lecture is from: http://www.ideal.upm.edu.my/~ideal/tugasan/bacelor/BGY3201_presentation1.ppt