#Question id: 29079
#Unit 10. Ecological Principles
You observed the two species of barnacles, P. aurelia and P. caudatum, occupy upper and lower strata of intertidal rocks, respectively. Only when P. caudatum was removed by you from the lowers strata, P. aurelia could occupy both the upper and lower strata. From the choice given below what would be your inference from these observations.
#Question id: 29080
#Unit 10. Ecological Principles
Invasive species are less impacted by enemies than native species. An explanation for the better growth and propagation of invasive species in comparison to their native counterparts is provided by which one of the following hypotheses?
#Question id: 29081
#Unit 10. Ecological Principles
#Question id: 10701
#Unit 10. Ecological Principles
In community, two species A and B were found. A species have an especially large impact on the structure of entire communities because they are highly abundant while B species are not usually abundant in a community however; exert strong control on community structure by their pivotal ecological roles, or niches. Which of the following is naming of species?
#Question id: 10702
#Unit 10. Ecological Principles
Species A has a large effect on community because of its abundance in community known as
#Question id: 10703
#Unit 10. Ecological Principles
Keystone predators can maintain species diversity in a community if they