4-1-08 notes

4-1-08 notes - April 1, 2008 Biology Notes EXAM: CHAPTERS...

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April 1, 2008 Biology Notes EXAM: CHAPTERS 29, 30, 31, 35 1/3 clicker questions will be reworded slightly (need to study concepts) 1. Organs and tissues Basic organs—consists of several types of tissue that carry out a particular function o Roots o Stems o Leaves Tissue system—a group of cells with a common function and/or structure o Dermal o Vascular o Ground Plants inhabit and draw resources from two different environments: o Water and minerals from the soil o CO2 and light from the air The Root System o Roots Anchor plants to the ground Absorb minerals and water o Taproot system One main vertical root Small lateral roots Eudicots
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Like a carrot They act as a storage mechanism—plants use them to store water and nutrients that they will need during flowering and fruiting o Fibrous roots Mat of thin roots Monocots o The root system anchors the plant, but most absorption of water and minerals occurs near root tip via root hairs Root hairs increase the surface area so that the plant can absorb more nutrients
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This note was uploaded on 04/26/2009 for the course EBIO 1220 taught by Professor Demig-addams during the Spring '07 term at Colorado.

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4-1-08 notes - April 1, 2008 Biology Notes EXAM: CHAPTERS...

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