Microbiolgy quiz Organisms that do not survive in the absence of a partner are c

Question

Microbiolgy quiz

Organisms that do not survive in the absence of a partner are called

mutualistic partners

symbiotic partners

obligate symbionts.

antagonistic partners

parasitic partners.

  All of the following can be attributed to beneficial symbiotic associations except

nutrition

protection

access to new habitats.

recognition aids.

All of the above are attributes of benefical symbiotic associations.

An example of a beneficial relationship that allows an organism to have access to a new habitat is

    lichens

   Ectomycorrhizae

Rhizobium-legume.

Klebsiella-leaf

In newborn mammals, the distinct microbiota in their digestive tract is

directly transmitted from the mother to her newborn just before birth

slowly transmitted from the mother to her fetus during gestation.

gained slowly following birth from their diet and interaction with adults.

gained quickly following birth from their diet.

None of the above

A cooperative interaction in which two or more organisms combine to synthesize a required growth factor or to catabolize a substrate, which neither could utilize independently, or to exchange nutrients, is called

a consortium

mutualism

commensalism

None of the above

Ruminants obtain amino acids and vitamins from digestion of

grain

protein

grass

bacteria

bacteria and plant material degraded first in the rumen

Explanation / Answer

1. parasitic partner.

2. All of the above are attributes of beneficial symbiotic association.

3. ectomycorrhizae

4.none of the above

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