Associations but Not Partnerships

Question 1

Antagonism

Answer 1

an association between free-living species
that arises when members of a community compete

Question 2

Antibiosis

Answer 2

production of inhibitory compounds such as
antibiotics into the surrounding environment that inhibit
or destroy another microbe in the same habitat

Common in the soil where mixed communities compete
for space and food

Question 3

The first microbe has a competitive advantage by

Answer 3

increasing the space and nutrients available to it.

Question 4

Synergism

Answer 4

An interrelationship between two organisms
that benefits them but is not necessary for
survival

Gum disease, dental caries, and some
bloodstream infections involve mixed
infections

Question 5

in synergism, together the participants cooperate to

Answer 5

produce a result that neither could do alone