Question

12
when two or more organisms cooperate, they work together toward a goal which benefits all of the cooperating organisms. cooperation can occur between organisms of different species or organisms within the same species.
which of the following is an example of cooperation among organisms?
a. a fly gets caught in a spiders web but escapes before being eaten.
b. army ants link themselves together to form a \bridge\ so that their colony can cross a stream.
c. a flatworm attaches itself to the gills of a crab to obtain bits of the crabs food.
d. two cows graze upon the same pasture.

Explanation:

Cooperation involves organisms working together for mutual benefit. In option B, army - ants link together to form a bridge for their colony to cross a stream, which benefits the whole colony. Option A is an example of predator - prey interaction, option C is parasitism, and option D is competition for resources.

Answer:

B. Army ants link themselves together to form a "bridge" so that their colony can cross a stream.