Biology 12

Chapter 14 Population Ecology • MHR 481 14.3 Factors Limiting Natural Population Growth Density-independent Factors Many populat ...

482 MHR • Unit 5 Population Dynamics small enough to be far below its carrying capacity, density-dependent factors have no effec ...

Chapter 14 Population Ecology • MHR 483 In addition to its role in evolution, intraspecific competition is an important density- ...

484 MHR • Unit 5 Population Dynamics Figure 14.22When two species of paramecia (Paramecium aureliaand P. caudatum) are grown in ...

0 1845 1865 1875 50 1855 100 150 1885 1895 1905 1915 1925 1935 Number of pelts (in thousands) lynx hare Chapter 14 Population Ec ...

SKILL FOCUS Initiating and planning Predicting Identifying variables Performing and recording Analyzing and interpreting Conduct ...

Chapter 14 Population Ecology • MHR 487 7.Use a microscope to view samples of your cultures each day. Estimate the paramecium po ...

488 MHR • Unit 5 Population Dynamics project in the Yukon, led by Charles Krebs of the University of British Columbia, suggests ...

Chapter 14 Population Ecology • MHR 489 The third type of symbiotic relationship is commensalism, in which one partner benefits ...

THINKING LAB Sustainable Harvesting Background Theoretically, populations regulated by density-dependent factors can be harveste ...

Chapter 14 Population Ecology • MHR 491 density does play a role. The amount by which N exceeds the number of hiding places will ...

14.4 Life History 492 MHR • Unit 5 Population Dynamics As described earlier, populations vary with respect to the factors that r ...

Chapter 14 Population Ecology • MHR 493 the population live past the age when sexual maturity is reached, and the percentage of ...

494 MHR • Unit 5 Population Dynamics Biology Magazine TECHNOLOGY • SOCIETY • ENVIRONMENT Alien Invaders What do rice, dogs, gyps ...

Chapter 14 Population Ecology • MHR 495 The fourth column of Table 14.2 gives age-specific fecundity — the average number of off ...

496 MHR • Unit 5 Population Dynamics Because individuals of different ages have different probabilities of surviving, every popu ...

THINKING LAB Life History — Putting It All Together An equilibrial life history is the result of selective forces acting in a re ...

498 MHR • Unit 5 Population Dynamics a particular habitat. For example, they might be specialists at finding, hunting, or eating ...

Chapter 14 Population Ecology • MHR 499 CHAPTER 14 REVIEW Summary of Expectations Briefly explain each of the following points. ...

500 MHR • Unit 5 Population Dynamics 17.In order to estimate the size of a population of oak trees, a forester runs several 100 ...