Review (4th Grading Exam)

Which of the following has the highest salinity?

• ocean

• lake

• river

• stream

It is a term used to define the roles that different organisms play in the ecosystem.

• balance

• ecological niche

• producer

• consumer

In this relationship, organisms depend on each other.

• parasitism

• commensalism

• mutualism

• competition

In this relationship, one organism benefits while the other is neither harmed nor benefit.

• parasitism

• commensalism

• mutualism

• competition

In this relationship, one benefit by feeding on the other organism.

• parasitism

• commensalism

• mutualism

• predation

In this relationship, species or organisms fight for the same limited resources.

• competition

• parasitism

• mutualism

• predation

Between the remora fish and the shark, what is the role of the remora?

• host

• prey

• commensal

• parasite.

Between the remora fish and the shark, what is the role of the shark

• host

• prey

• commensal

• parasite.

This type of competition occurs between members of the same species.

• interspecific

• intraspecific

• endoparasite

• ectoparasite

It is a relationship involving an organism that benefits from the relationship but causes harm to other organisms.

• competition

• parasitism

• mutualism

• predation