Which of the following conditions tend to destabilize populations (e.g. make extinctions more likely) for a predator and prey demonstrating Lotka-Volterra predator-prey dynamics? More than one food source (prey species) for the predator No immigration or emigration of the predator and prey The existence of prey refuges

Which of the following conditions tend to destabilize populations (e.g. make extinctions more likely) for a predator and prey demonstrating Lotka-Volterra predator-prey dynamics? More than one food source (prey species) for the predator No immigration or emigration of the predator and prey The existence of prey refuges

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter16: Population Ecology

Section: Chapter Questions

Problem 6SQ

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Whichof the following factors can stabilize predator-prey relationships by providinga prey refuge?a.An area of prey habitat where predators cannot enterb.An area of prey habitat that is isolated and difficult for predators tofindc.The occurrence of prey in numbers too large for predators to attackeffectivelyd.The ability of prey to grow to a size invulnerable to predatione.All of the choices apply.
Which of the following is NOT an assumption of the basic Lotka-Volterra model of predatory-prey dynamics? Prey are the primary food source for the predators There is no immigration or emigration of predators or prey All prey in the population are accessible to predators, e.g. there are no prey refuges Prey population growth can be limited by food and other resources Predators are the main cause of mortality for the prey
Which of the following conditions tend to destabilize populations (e.g. make extinctions more likely) for a predator and prey demonstrating Lotka-Volterra predator-prey dynamics? More than one food source (prey species) for the predator No immigration or emigration of the predator and prey The existence of prey refuges why option B is correct?
GROUP... M Assignment Due... Mountain lion Snake Hawk Frog Rabbit Cricket Deer Mouse Trees Grass O Interspecific competitors O Intraspecific competitors O Predator - prey Both interspecific competitors and predator-prey O Both intraspecific competitors and predator-prey
In the paired ODE model, the factor that contributes to the growth of the population of the predators is affected by the death rate of the predator affected by the population of the prey directly affected by the rate of predation O always constant
In the Lotka-Volterra predator-prey equations, the term a b N prey N predator describes: The rate at which predators eat prey The rate at which new predators are added to the predator population The rate at which the predator population increases over time The intrinsic growth rate of the prey population
Finches that live in areas that only have large seeds and small seeds as a food source have adapted their beak sizes in response to this food availability. This is an example o selection. direXtional Odiversifying guided stabilizing O uniform
Besides an increase in predation what other factors might be involved in the decrease in a prey population? O depression in reproduction due to crowding increased intraspecific competition O increase in the incidence of parasitism and disease increased resource partitioning
With respect to the Lotka-Volterra predator-prey model, which of the following statements is most likely true? Under this model, it is possible for a predator to drive its prey to extinction. All of the statements are true. Non of the statements is true. This model predicts neutrally-stable predator-prey cycles, as opposed to a stable equilibrium. O In this model, an increase in searching efficiency (a) will increase the maximum prey population.
ntal Science-SC5 X active + r19.core.learn.edgenuity.com/Player/ nmental Science - SC5181 A 11 3 ال Mark this and retur Which of the following examples could help reduce competition between two species? O Prevent one species from mating regularly O Allow each to occasional access to a limited resource O Introduce another species into the ecosystem O Separate them with a physical barrier C 12 $ 14 15 16 17 4 % 18 19 20 5 M Oll 6 31 DELL O O Save and Exit Next 9 < ★ English & 08080808BA 7 Submit Oct 6 ☐ I Kinley Heath X 3:59 A ů backs
Use the following information to answer the next question. Predator-prey population cycles prey predator Time Сорy Look Up Share... In the above graph, the points A, B, C, and D represent the following events, in random oraer. 1. Reduction in predator population 2. Reduction in prey population 3. Increase in predator population 4. Increase in prey population The correct order for listing the events represented by A, B, C, and D is » and Number
Thinking about the Lotka-Volterra predator-prey model, what effect should an increase in searching efficiency (a) have on the maximum prey population? Increase Decreasė No change < Previnus V Finish