1 SEM ACC W/RAVEN CARDED
12th Edition
ISBN: 9781265486297
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 21, Problem 2S
Explain how data shown in figure 21.2a and b relate to the conditions identified by you in question 1.
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Questions 1-25 are based on the story of Frog and Toad. The figure above (Fig. 1) is a 2-dimensional representation of a
space for frog (in the absence of a competing species) based on the combination of two variables: moisture (% Relative
Humidity [RH]) and temperature (°C). Size of the frog icon corresponds to how well it does (in terms of ecologic fitness) at
various positions along these two environmental gradients. Flattened frogs indicate dead frogs; environmental conditions
which are unsuitable for the frog's survival and reproduction. Italicized letters and numbers (on top) represent coordinates.
Unitalicized numbers adjacent to the arrows represent values for either RH (the vertical arrow) or temperature (the horizontal
arrow)
1.
Fill in the blank
а.
Fundamental niche
b.
Habitat
с.
Realized niche
d.
Biome
Ecosystem
Coordinate h3 occurs in the
е.
2.
Optimal niche region
Sub-optimal…
Based on the graphs and Using the data from the two experiments, choose the interaction between species in the interaction diagram above.
Which conclusion is supported by the results shown by the Punnett square?
Chapter 21 Solutions
1 SEM ACC W/RAVEN CARDED
Ch. 21.1 - Prob. 1LOCh. 21.1 - Prob. 2LOCh. 21.2 - Prob. 1LOCh. 21.2 - Distinguish between demonstrating that evolution...Ch. 21.3 - Contrast the processes of artificial and natural...Ch. 21.3 - Prob. 2LOCh. 21.4 - Prob. 1LOCh. 21.4 - Prob. 2LOCh. 21.4 - Prob. 3LOCh. 21.5 - Explain the evolutionary significance of...
Ch. 21.5 - Prob. 2LOCh. 21.6 - Prob. 1LOCh. 21.6 - Prob. 2LOCh. 21.7 - Characterize the criticisms of evolutionary theory...Ch. 21.7 - Prob. 2LOCh. 21 - Suppose that a male with a beak depth of 10 mm...Ch. 21 - Prob. 1IQCh. 21 - Prob. 2IQCh. 21 - Prob. 3IQCh. 21 - Why might the evolutionary line leading to...Ch. 21 - Artificial selection is different from natural...Ch. 21 - Gaps in the fossil record a. demonstrate our...Ch. 21 - The evolution of modern horses (Equus) is best...Ch. 21 - Homologous structures a. are structures in two or...Ch. 21 - Convergent evolution a. is an example of...Ch. 21 - Prob. 6UCh. 21 - The possession of fine fur in 5-month human...Ch. 21 - In Darwins finches, a. occurrence of wet and dry...Ch. 21 - Prob. 2ACh. 21 - Convergent evolution is often seen among species...Ch. 21 - What conditions are necessary for evolution by...Ch. 21 - Explain how data shown in figure 21.2a and b...Ch. 21 - Prob. 3SCh. 21 - Refer to figure 21.5, artificial selection in the...Ch. 21 - The ancestor of horses was a small, many-toed...
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