Microbiolgy quiz Organisms that do not survive in the absence of a partner are c
ID: 46064 • Letter: M
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