This type of mutualisn to called protocooperation. In this type, the sea anemone grows on the back of the hermit crab. It protects the crab with the help of its nematocysts. Ectoparasites live on the outside of host, e.g., human body buse. In this interaction, the parasite gets the benefit at the expense of the host. Commensalism is an assotiation between organisms in which one or both the species are benefitted and neither species is harmed. In amensalism one species is harmed, whereas the other is unaffected. Predation, parasitism and commensalism share a common characteristic, the interacting species live chosely together.
A sedentary sea anemone gets attached to the shell lining of hermit crab. The association is
NEET UG 2013 — Zoology Organisms and Populations
2013mcqeasy
A sedentary sea anemone gets attached to the shell lining of hermit crab. The association is
Official previous-year question
Held on 30 Apr 2013 · Verified 9 Jul 2026.
Options
- A
ectoparasitism
- B
symbiosis
- C
commensalism
- D
amensalism
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