44. Which statement about endoparasites is TRUE? a. All endoparasites that infec
ID: 265721 • Letter: 4
Question
44. Which statement about endoparasites is TRUE? a. All endoparasites that infect animals are parasites of the alimentary canal. b. All parasites living in the alimentary canal are endoparasites. c. All endoparasites are microparasites. d. All endoparasites have simple lifecycles that take place within a single host. 45. Which statement about mycorrhizae is TRUE? a. Although mycorrhizae are very common in angiosperms, most gymnosperms do not form these associations b. Mycorrhizae are symbiotic associations between plant roots and bacteria. c. Mycorrhizae are symbiotic associations between plant roots and fungi. d. Mycorrhizae typically are commensalisms, not true mutualisms, because only the plant benefits e. All of the above 46. Which of the following is an advantage that endoparasites have over ectoparasites? a. Dispersal ability b. Ease of feeding c. Less susceptibility to the host's immune system d. A more simple life cycle 47. Which of the following could NOT be a hemiparasite? A. An ectoparasite B. A heterotroph C. A microparasite D. An autotroph 48. In which way does the Lotka-Volterra predator-prey model of pop(ulation) growth differ from the logistic model? a. In the Lotka-Volterra model, prey pop growth does not depend on availability of the prey's resources. b. In the Lotka-Volterra model, predator pop growth does not depend on availability of the predator's resources. c. The term m is the efficiency with which prey are converted to predator offspring d. The term r is the efficiency with which prey are converted to predator offspringExplanation / Answer
44.Endoparasites are those which lives inside the host ,only some are species specific their life cycle takes place in a single host .endoparasites presant in blood are also infectious,all endoparasites are not microparasitic some are macroparasitc.
All parasites living in the alimentary canal are endoparasites.
45.Mycorrhizae form the symbiotic relationship between the fungi and plants roots.
They are found in the both angiosperms and gymnosperms.
46.the advantage of endoparasite over the ectoparasite is ease of feeding ,disadvantage is the dispersal difficult.
Feeding is more difficult for the ectoparasites.
47. Hemiparasite :Plants which gets their food by parasitism ,they are partially autotrophic and partially heterotrophic,they are presant ouside the host ,so they are ectoparasite.
They are not microparasites.(these are bacteria or viruses with shorter generation time).
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