A) defense
B) nutrition
C) respiration
D) excretion
Correct Answer: A
Solution :
Trichocysts are sac-like defense organelles in the ectoplasm of Parnmoecium; these discharge straight, tapering rods which might spear a naked intruder. Nematocysts are large, centrally located sac-tike organeiles in the cnidocytes of Hydra and are filled with poisonous hypnotoxin
You need to login to perform this action.
You will be redirected in
3 sec
