Answered: Intraspecific competition is a…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Intraspecific competition is a competition between members of the same species and is commonly observed in crop plants. Table 6.2 shows the results of a greenhouse experiment which examined the effects of density on the germination and growth of barley. Plants were grown for two weeks in 10- cm diameter pots kept in identical environmental conditions and watered regularly. At the end of the experiment the plants were cropped by cutting the stems at the soil surface.

Based from the given table and graph, discuss the data and the relationship of the two factors (Mean wet biomass of plants (g) and Number of plants that germinated). Then, what is the effect of density to the Mean wet biomass of plants?

EFFECT OF DENSITY TO MEAN
Number
of
plants
that Total wet biomass of plants Mean wet biomass of plants
germinated
43
(g)
17
(g)
0.395
0.243
WET BIOMASS OF PLANTS (G)
88
21.4
0.5
168
27.7
0.165
0.4
332
40.9
0.123
0.3
0.2
0.1
50
100
150
200
250
300
350
Number of plants that germinated
Mean wet biomass of plants (g)

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