BISC 101 Lecture Notes - Plant Cell, Cotyledon, Vacuole
6 May 2014
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Document Summary
Widespread use in medicine, forestry industry (home building), economic prosperity. Health of ecosystems and the planet: photosynthesis. Light energy (sun): co2 is taken in and made into sugars and o2. Carbon fixation: conversion of co2 to sugars. Fossil fuels and various other carbon-related material is source of co2. Global warming is due to high co2 levels. Production of o2, source is photosynthesis; critical for environment, contributes to ozone layer. Concern: depletion of ozone layer, solutionisto add more greens to world/preserve plant growth/environments (forests: environment. Stability due to release of o2 in ozone. Plants for food: food production, aka agriculture. Cultivationof plants on a large scale for food. Vitamin a in plants: tomato, hot pepper. Vitamin c in plants: sweet/hot pepper, onion. Iron in plants: garlic, hot pepper, sweet potato. Calcium in plants: garlic, okra: human food sources. Widely/most eaten plants in the world: rice, wheat, corn. Vitamins: fruits (orange, kiwi: source of feed for animals.
