Chapter 53: Q55.5-1CC (page 1188)
Identify the main goal of restoration ecology.
Short Answer
The main aim of the restoration ecology is to restore the conditions of the degraded ecosystems back to their natural condition.
Chapter 53: Q55.5-1CC (page 1188)
Identify the main goal of restoration ecology.
The main aim of the restoration ecology is to restore the conditions of the degraded ecosystems back to their natural condition.
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Get started for freeA male stickleback fish attacks other males that invade its nesting territory (see Figure 51.2a). Predict the likely pattern of dispersion for male sticklebacks, and explain your reasoning.
Assuming that r= 1.0 and K= 1,500, calculate the population growth rate for four cases where population size (N) is greater than carrying capacity (K): N= 1,510, 1,600, 1,750, and 2,000 individuals. To do this, first write the equation for the population growth rate given in Table 53.2. Plug in the values for each of the four cases, starting with N= 1,510, and solve the equation for each
one. Which population size has the highest growth rate?
Explain why a population that fits the logistic growth model increases more rapidly at intermediate size than at relatively small and large sizes.
Interactions In a short essay (100–150 words), identify the factor or factors in Figure 53.18 that you think may ultimately be most important for density dependent population regulation in humans, and explain your reasoning
Suppose a novel enzyme that deactivates the cane toad toxin evolved in a snake population exposed to cane toads. If the researchers repeated part 1 of this study, predict how the results would change.
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