Competition

Q. In which of the following interactions both partners are adversely affected ?

1. Mutualism
2. Competition
3. Predation
4. Parasitism

Q. An interaction in population within the members of the same species is termed as whereas the interaction between two different species is termed as .

1. interspecific
2. intraspecific
3. protocooperation
4. predation

Q. Given below are interactions depicted between two species with ‘+’ sign for beneficial interaction and ‘-’ sign for detrimental interaction. Choose the correct option(s).

1. Mutualism: species A (+) and species B (+).
2. Competition: species A (-) and species B (-).
3. Predation: predator (-) and prey (+).
4. Parasitism: parasite (+) and host (-).