EP CONNECT ONLINE ACCESS FOR BIOLOGY
EP CONNECT ONLINE ACCESS FOR BIOLOGY
20th Edition
ISBN: 9781260494655
Author: Raven
Publisher: MCG COURSE
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Chapter 31, Problem 1DA

Data analysis Comparative analyses of fossil and extant vascular plants reveal that the maximum diameter for a tracheid is 80 µm. Vessels, however, can reach diameters of up to 500 µm in diameter. How much more water could the largest vessels transport compared with the largest trachelds In the same amount of lime? Your calculations are for an ideal situation. In the context of a growing plant, what other factors would affect the rate of transport through the tracheids and vessels?

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Summary Introduction

To determine: The quantitative statement about the relative amount of spore production of Cryptoporous volvatus per square centimeter in the two samples.

Introduction: Basidiocarp is the structure of the fungi, which contain spores and facilitate the dispersal of the spores on the suitable surface to reproduce. The aggregation of the mycelium hyphae or dikaryotic mycelium constitutes the formation of basidiocarp. The flat surface provides a better dispersal of the spores.

Explanation of Solution

Cryptoporous volvatus is the fungus that produces spores to produce the more daughter cells. The spores, which were produced between June 1 and September 1, under the fir tree, were collected in the stainless steel funnel to make a count for them. The funnel with a surface area of 1.1 cm2 carried 1.31 × 108 spores. Thus, the spores produced in an area of 1 cm are 1.2 × 108 spores.

Another funnel with a surface area of 8.37 cm2 contained 6.87 × 109 spores. Thus, the total spores in the area of 1 cm are 8.2 × 108 spores/cm2. Hence, the quantitative analysis shows that spores that were produced in the funnel with a larger surface area contained approximately six times more spores than the funnel with a smaller surface area.

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