Biology: The Dynamic Science
4th Edition
ISBN: 9781337246422
Author: Peter J. Russell; Paul E. Hertz; Beverly McMillan
Publisher: Cengage Learning US
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Chapter 23.3, Problem 2SB
Why do distantly related species that live in different biogeographical realms sometimes resemble each other?
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Chapter 23 Solutions
Biology: The Dynamic Science
Ch. 23.1 - What biological materials are the most likely to...Ch. 23.1 - Prob. 2SBCh. 23.1 - Prob. 3SBCh. 23.2 - Prob. 1SBCh. 23.2 - Prob. 2SBCh. 23.3 - Which type of geographical distribution requires...Ch. 23.3 - Why do distantly related species that live in...Ch. 23.4 - What factors might allow a population of organisms...Ch. 23.4 - What events apparently triggered the mass...Ch. 23.4 - Prob. 3SB
Ch. 23.5 - Prob. 1SBCh. 23.5 - Prob. 2SBCh. 23.6 - Prob. 1SBCh. 23.6 - Prob. 2SBCh. 23.6 - Prob. 3SBCh. 23 - The fossil record: a. provides direct and indirect...Ch. 23 - The absolute age of a geological stratum is...Ch. 23 - Prob. 3TYKCh. 23 - Prob. 4TYKCh. 23 - Biologists believe that the overall similarities...Ch. 23 - The differential growth of body parts is called:...Ch. 23 - Exaptations are traits that: a. prepare some...Ch. 23 - Adaptive radiations often follow mass extinctions...Ch. 23 - Prob. 9TYKCh. 23 - Prob. 10TYKCh. 23 - Prob. 11TYKCh. 23 - Prob. 12TYKCh. 23 - Prob. 13TYKCh. 23 - Prob. 14TYKCh. 23 - Prob. 15TYKCh. 23 - Prob. 1ITD
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- Why do early- and late-succession species tend to possess different adaptations?arrow_forwardDescribe two hypotheses that explain why species diversity is greater in tropical regions than in temperate andpolar regionsarrow_forwardWhat conditions make it likely that a small group of closely related species will increase to a large number of species by means of rapid speciation?arrow_forward
- What kinds of characteristics make species especially likely to go extinct?arrow_forwardWhy is it difficult to predict which species will be driven extinct by global warming?arrow_forwardWhy do you suppose there are so many endemic species—that is, species found nowhere else—on islands? Why have the overwhelming majority of recent extinctions occurred on islands?arrow_forward
- Habitat fragmentation can lead to: a)The disappearance of the matrix due to decreased habitat heterogeneity b) Changes in patch use by animals, with smaller patches leading increased size of home range or movement for many animals c) Variation in microenvironment near the edge of the patch with negative consequences for diversityarrow_forwardThe most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is thata) tropical regions generally have more available water and higher levels of solar radiation.b) diversity increases as evapotranspiration decreases.c) higher temperatures cause more rapid speciation.d) tropical communities are younger.arrow_forwardHow does the ratio of the proportion of edge to interior habitat change with increasing patch size? How does species diversity change with increasing patch size?arrow_forward
- Do you think generalist or specialized species would be better able to adapt and avoid extinction if the environment changed rapidly, for example, as a result of forced climate change? Why?arrow_forwardEcologists use a rank-abundance curve to display relative species abundance, which is a component of biodiversity. It can also be used to demonstrate species richness and evenness. Figure 1 shows the rank- abundance curve for caddisflies (Order Trichoptera) of two aquatic habitats in northern Portugal (data from L.S.W. Tera). Pollution of streams, on the other hand, reduces the diversity of Trichoptera and several other groups of stream insects, reducing both species richness and species diversity. Interpret why those happened. These rank-abundance curves show that the mountain stream caddisfly community has higher species richness and greater species evenness. 0.1 - Mountain stream 0.01 Greater richness and species evenness 0,001 Coastal ponds 0.0001 20 40 60 80 Abundance rank Figure 1: Rank-abundance curve for caddisflies (Order Trichoptera) of two aquatic habitats in northern Portugal (data from L.S.W. Tera). Proportional abundancearrow_forwardWhat are some of the distinctive features of the Oceania region's unique biodiversity? What is meant be term island biogeography, and does this theory hold true in this regional context?arrow_forward
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