42 la Nicholson\'s experiments with sheep blowflies, stable limit cycles were ob

Question

42 la Nicholson's experiments with sheep blowflies, stable limit cycles were observed for adults A) both larvae and adulas were peavided usakimited a) laavac were pravided a limited food supply while adults were provided unlimited C) larvae were provided unlimited fod while adulla were provided a liaised foxd D) both larvae and aduls were provided a limited food supply, 43 Which of the following processes contributes to the dynamics of metapopulations? A) growth and regulation of subpopulations within paliches B) colonization of empty patches to form new subpopulations C) extinction of established subpopulations D) all of the above 44 A metapopulation has an extinction rate, e, of 0.0 and a colonization rate, c,of 0.2. What is due ultimate fate of this metapopulation according to the basic model of metapopulation elc? dynamics, A) All patches will be occupied. B) There will be a shining mosaic of occupied and unoccupied patches C) The entire metapopulation will go extinct. 4s. la experiments with bullfiog tadpoles, Relyea and wemer showed hat, in comparison to predator-free controls, tadpoles exposed to caged predators A) were more active and grew faster. B) were more active but grew more slowly, C) were less active but grew faster, D) were less active and grew more slowly. 46. which of the following is utilized by parasites to circumvent the host's immune system? A) production of chemical factors that suppress the immune system B) production of surface proteins that mimic the host's own proteins C) continuous production of novel surface proteins D) coating themselves with the host's proteins E) all of the above 47, When a vertebrate host mounts an immune response to a parasite closely related to another parasite that previously infected the same host, we refer to this phenomenon as A) virulence B) cross-resistance C) symbiosis D) complex life cycle inflammation availability 48. Two predators consume the same prey species. Because each predator reduces the two of this prey organism for the other, we can refer to the interaction between the predators as one involving A) competition predation

Explanation / Answer

46. E. All of the above.

47.B. Cross resistance.

48. b. competition.

49. E. commensalism.

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