Name and describe three ways that prey can be avoid being detected by predators.
Answer:
The three defense mechanism used by the prey to avoid being detected by predators are:
Name and describe three ways that prey can be avoid being detected by predators.
Ecology Chapter 14 Predation and Herbivory Concept Checks CONCEPT CHECK 1. What evidence is there that predators can control the abundance of prey? 2. How has the reduction of top predators had unintended consequences on the abundance of prey? 3. What evidence is there that herbivores can control the abundance of plants? CONCEPT CHECK 1. How does a prey population's ability to disperse allow the prey to persist in the presence of predators? 2. Based on the predator-prey population equations,...
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B. Prey-prey Relations. In a classic paper, Terborgh et al. (2001, Science 294:1923-6.) revealed that predators are important in tropical forest ecosystems for stabilizing the system and preventing the overharvesting of the understory. Their study sites were a set of “islands” in Venezuela created by hydroelectric impoundments that excluded large predators. On the “islands,” the authors state, “Predators of vertebrates are absent, and the densities of rodents, howler monkey, iguanas, and leaf-cutter ants are 10 to 100 times greater than...
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1. What are keystone predators? Briefly describe how the species diversity (richness) in a community can be affected by keystone predators. (must included competitive exclusion principle)
1) If you examined predator-prey relationships within an ecosystem and noticed that the removal of predators also resulted in the die-off of herbivores, what would you suspect occurred? a) Removal of predators would directly lower the number of herbivores. b) The lack of predators could mean that too much primary production occurred. c) Herbivores from another region may have entered the ecosystem and consumed the primary producers, causing death of the original herbivores species. d) Overeating by herbivores could have...