Oryza rufipogon is the wild relative of cultivated rice. In its native SE Asia, annual and perennial populations can be found. Annual populations typically grow in aquatic habitats that dry out seasonally, while perennials typically grow in more permanent aquatic habitats. In their respective habitats, annuals produce narrower leaves than perennials. An experiment was conducted where annual and perennial seeds were grown together in a permanent aquatic habitat and demographic data on survival and fecundity were collected. The data are below: Annual seeds 1st year survival 0.01 seeds per year 180 0.01 Adult survival rate Perennial seeds What additional data would you need to collect from this experiment to determine whether the differences in leaf shape described above have a genetic basis or are induced by the environment? What are your predictions if leaf shape differences are genetic? 90 0.0 0.4
Oryza rufipogon is the wild relative of cultivated rice. In its native SE Asia, annual and perennial populations can be found. Annual populations typically grow in aquatic habitats that dry out seasonally, while perennials typically grow in more permanent aquatic habitats. In their respective habitats, annuals produce narrower leaves than perennials. An experiment was conducted where annual and perennial seeds were grown together in a permanent aquatic habitat and demographic data on survival and fecundity were collected. The data are below: Annual seeds 1st year survival 0.01 seeds per year 180 0.01 Adult survival rate Perennial seeds What additional data would you need to collect from this experiment to determine whether the differences in leaf shape described above have a genetic basis or are induced by the environment? What are your predictions if leaf shape differences are genetic? 90 0.0 0.4
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
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R and K selection are concepts in ecology used to describe traits in the fluctuation of a population or population dynamics. For example, they describe the life-association traits between parent and offspring, such as quantity or number of young ones born at a time, quality of parental care, the age to maturity, and reproductive effort.
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
Transcribed Image Text:Oryza rufipogon is the wild relative of cultivated rice. In its native SE Asia, annual and perennial
populations can be found. Annual populations typically grow in aquatic habitats that dry out
seasonally, while perennials typically grow in more permanent aquatic habitats. In their respective
habitats, annuals produce narrower leaves than perennials. An experiment was conducted where
annual and perennial seeds were grown together in a permanent aquatic habitat and demographic
data on survival and fecundity were collected. The data are below:
Annual seeds
1st year survival
0.01
0.01
seeds per year
180
90
Edit View Insert Format Tools Table
Adult survival rate
Perennial seeds
What additional data would you need to collect from this experiment to determine whether the
differences in leaf shape described above have a genetic basis or are induced by the environment?
What are your predictions if leaf shape differences are genetic?
0.0
0.4
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