10. Effective population size refers to the number of individuals which can participate in the reproduction process. Which of the following proportions of individuals would bring about the highest effective population size? 20 females and 80 males 70 females and 30 males 45 females and 55 males 35 females and 65 males

10. Effective population size refers to the number of individuals which can participate in the reproduction process. Which of the following proportions of individuals would bring about the highest effective population size? 20 females and 80 males 70 females and 30 males 45 females and 55 males 35 females and 65 males

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter52: Population Ecology

Section: Chapter Questions

Problem 4TYK: The model of exponential population growth predicts that the per capita population growth rate r: a....

See similar textbooks

Similar questions

1) How did the removal of sea otters affect the population of two other organisms? Please explain. (grey means they are no longer available in that ecosystem).
The type of physical environment in which a species typically lives is its _______. a. niche b. habitat c. community d. population
Lizards that eat flies they catch on the ground and birds that catch and eat flies in the air are engaged in ______ competition. a. exploitative b. interference c. intraspecific d. interspecific e. both a and d f. both b and c
The age structure diagrams for two hypothetical populations are shown below. Describe the growth rate of each population and discuss the current and future social and economic problems that each is likely to face.
One reason why human populations have been able to sidestep the factors that usually control population growth is that: a. the carrying capacity for humans has remained constant sincehumans first evolved. b. agriculture and industrialization have increased the carryingcapacity for our species. c. the population growth rate (r) for the human population hasalways been small. d. the age structure of human populations has no impact on itspopulation growth. e. plagues have killed off large numbers of humans at certaintimes in the past.
The model of exponential population growth predicts that the per capita population growth rate r: a. does not change as a population gets larger. b. gets larger as a population gets larger. c. gets smaller as a population gets larger. d. is always at its maximum level (rmax). e. fluctuates on a regular cycle.
The type of physical environment in which a species typically lives is its _______. a. niche b. habitat c. community d. population
A group of individuals of the same species living in the same area is called a(n). family community population ecosystem
A population is likely to increase in size ifa. there are more postreproductive adults than juveniles.b. parasites increase in abundance.c. its population pyramid is narrower at the base than inthe middle.d. its reproductive rate is greater than replacement levelfertility.
6. Why population changes? How these changes shape the population structure in the future?
2. The graph below shows changes in human population numbers over time. A consequence of these changes is
9) If the population of hawks in this area increases, their prey populations might decrease. Later, with fewer prey, the hawk population might decrease. The prey populations might then increase. This is an example of