Chapter 29: Plants

clatteringlippsBiotechnology

Dec 5, 2012 (4 years and 11 months ago)

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The World of Plants

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What is a plant?

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Why are plants important?


photosynthesis

Photosynthesis
-
conversion of solar
energy to chemical energy

O
2

production

Base of all
food chains

Why are plants important?


Photosynthesis



Food

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Ancient Agriculture Egyptian tomb wall
1500
BC

Modern Agriculture;

people food…

…and herbivore food

Why are plants important?


Photosynthesis



Food



pharmaceuticals

Cinchona tree and quinine Treatment

of fevers by Native Americans,


Andes. Spanish explorers discover the

use for the treatment of Malaria

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Why are plants important?


Photosynthesis



Food



Pharmaceuticals



Fuel, shelter, paper

Wood for fuel

Wood for building

Fossil fuels from fossilized plant
remains

Paper from pulp
derived from
woody plants

Why are plants important?


Photosynthesis



Food



Pharmaceuticals



Fuel, shelter, paper



Industrial products

Why are plants important?


Photosynthesis



Food



Pharmaceuticals



Fuel, shelter, paper



Industrial products



Aesthetic benefits!!!

Plants vs. other organisms

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Common plants today

Division Bryophyta

Division Pterophyta

Division Psilophyta

Division Sphenophyta

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Division Lycophyta

Division Cycadophyta

Division Ginkgophyta

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Division Gnetophyta

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Division Coniferophyta

Division Anthophyta

Fields of study


Plant systematics


evolutionary history of plants


Plant physiology


functionality of plants, such as
photosynthesis, flowering, hormone action


Plant anatomy


how plant structure relates to
function


Plant morphology


plant lifecycles, reproduction,
evolution


Plant ecology


how plants relate to other
organisms, and how plants meet their needs in the
environment


Plant genetics


biotechnology and genetic
engineering


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