Scientists compared the timing of fruit foraging for two different species of lemurs in Madagascar. They found that each species foraged within a 4 hour window of time Species 1 forages during the day and Species 2 forages at night. What direct advantage does having different foraging times give these lemur species? O A. Species 1 can outcompete Species 2 resulting in competitive exclusion B. Species 2 can outcompete Species 1 resulting in competitive exclusion O C. Reduced competition for both species through resource partitioning O D. Improved seed dispersal for the plant species

Scientists compared the timing of fruit foraging for two different species of lemurs in Madagascar. They found that each species foraged within a 4 hour window of time Species 1 forages during the day and Species 2 forages at night. What direct advantage does having different foraging times give these lemur species? O A. Species 1 can outcompete Species 2 resulting in competitive exclusion B. Species 2 can outcompete Species 1 resulting in competitive exclusion O C. Reduced competition for both species through resource partitioning O D. Improved seed dispersal for the plant species

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter54: Community Ecology

Section: Chapter Questions

Problem 9TYU: An unpalatable species demonstrates its threat to potential predators by displaying (a) character...

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Why were small-beaked medium ground finches (Geospiza fortis) most affected by the drought on Daphne major in 1976? A. Being small, they were less able to withstand the high temperatures during the drought B. The type of food that they eat, insects, was depleted C. Their beaks were too small to eat the remaining food, large nuts D. Their territory was taken by large-beaked medium ground finches
Which of the following is NOT a defense against predation? O A. Body morphology allowing for great bursts of speed B. Aposematic coloration C. Resource partitioning D. Production of secondary compounds E. Synchronous production of seeds at long intervals
Many areas of the US have been overgrown by Kudzu and native soil plants have vanished from the region. This is an example of: Select one: O a. Commensalism occurring between the kudzo and native plants O b. A predator prey relationship between ground plants and kudzu Oc. Competition occurring between the native and invasive species d. Parasitism between kudzu and the native plants
TejaTscharntke’s studies of the food web associated with Phragmites reeds revealedthat:a.only a single parasitoid species can persist exploiting a single speciesof herbivore.b.only a single herbivore species can persist attacking a single speciesof plant.c.predation by birds actually protects herbivores, because the birds feedon parasitoid-infested herbivore galls but not uninfested galls.d.within local food webs, all interactions tend to be of roughly the samestrength.e.recognizing variation in interaction strength can greatly simplify thedepiction of a food web.
In populations subjected to high levels of predation a. individuals should invest little in reproduction so as to maximize their survival. b. individuals should produce few offspring and invest little in any of them. c. individuals should invest greatly in reproduction because their chance of surviving to another breeding season is low. d. individuals should stop reproducing altogether.
Which of the following situations has revealed that mutualistic interactions can evolve from prior parasitic relationships? A. Yucca plants are pollinated only by moths of the genus Tegeticula; however, some of the moth species 'cheat" by laying eggs on seeds without pollinating the plant. B. Large-sized lice of the genus Columbicola tended to live on larger species of pigeons. Body size matching had a significant effect on the ability of lice to escape defensive preening by the host bird. C. The nonvenomous yellow-eyed salamander has the same coloration as the toxic California newt. Related nontoxic salamanders which do not mimic the newts are prone to attacks by predators. D. Glochidion trees and Epicephala moths are in an obligate mutualism with each other. Significant cospeciation led to an increase in diversity of the two species.
Dispersal differs from migration in that a. only birds migrate O b. migration is a population-level movement O c. dispersal is shorter distance movement O d. they are the same thing
APredator and its prey interact __________, but if the predator affects anotherspecies through this interaction, ecologists describe it as a(n) ___________interaction.a. strongly; inefficientb.directly; variablec.weakly; diffused.indirectly; keystonee.directly; indirect
Which of the following factors makes species recognition receptors on the sea urchin egg membrane important? Group of answer choices a. high levels of sexual selection b. external fertilization c. carnivorous larvae d. type III survivorship curve e. cytoplasmic determinants
Inthe Lotka-Volterra predation model, a prey (host) population in the absence ofpredators would:a.grow exponentially.b.grow logistically.c.grow exponentially, and then crash when it has outstripped its own foodsupply.d.decline to extinction.e.the model makes no assumptions about what happens in the absence ofpredators.
Which of the following relationships is least likely to result in coevolution? O A. Mutualism O B. Host-parasite O C. Amensalism O D. Predator-prey O E. Competition Moving to another question will save this response.
After the drought of 1977, researchers hypothesized that on the Galapagos Islands’ Daphne Major, medium ground finches with large, deep beaks survived better than those with smaller beaks because they could more easily crack and eat the tough Tribulus cistoides fruits. A tourist company sets up reliable feeding stations with a variety of bird seeds (different types and sizes) so that tourists can get a better look at the finches. Which of these events is now most likely to occur to finch beaks on this island? Why? * Increased variation in beak size and shape over time No answer No change in beak size and shape over time. Evolution of yet larger, deeper beaks over time, until all birds have relatively large, deep beaks. Evolution of smaller, pointier beaks over time, until all birds have relatively small, pointy beaks