Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

The illustration is missing the type of organisms known as decomposers. They break down dead animals and plants and have the vital role in returning the nutrients back into the system, where they can be used once more by the primary producers.

In the illustration:

The primary producers are the phytoplankton.

The primary consumers are the: krill, cod and zooplankton

The secondary consumers are the remaining species that feed on the primary consumers.

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b