Tentacles

Which of the following is true w.r.t. cnidoblast? a. These oval shaped cells are abundant on tentacles than body surface b. cnidocyte is a part of cnidoblast which is filled with a poisonous fluid c. once nematoblast is used, it migrates to gastrovascular cavity and digested d. Nucleus is present in the centre of cell

Read the given examples of animal interactions. (i) An orchid growing as an epiphyte on a mango branch. (ii) Barnacles growing on the back of a whale. (iii) Clown fish living among the stinging tentacles of sea anemone. (iv) Cattle egrets foraging close to the grazing cattle. Which kind of interaction is being cited by these ?

Which of the statements regarding coelenterates is/are wrong I. Cnidocytes are present on the tentacles and on the body II. Diploblastic with cellular level of organisation III. Polyp forms are free living IV. Exhibit metagenesis V. Polyps produce medusae sexually and medusae form polyps asexually.

Which of the statements regarding coelenterates is/are wrong I. Cnidocytes are present on the tentacles and on the body II. Diploblastic with cellular level of organisation III. Polyp forms are free living IV. Exhibit metagenesis V. Polyps produce medusae sexually and medusae form polyps asexually.

Name the type of interaction seen in each of the following examples (i) Ascaris worms living in the intestine of human (ii) Wasp pollinating fig inflorescence. (iii) Clown fish living among the tentacles of sea-anemone (iv) Mycorrhizae living on the roots of higher plants (v) OPCh-id growing on a branch of a mango tree (vi) Disappearance of smaller barnacles when Balanus dominated in the Coast of Scotland.

Name the interaction in each of the following : (a) Cuscuta growing on a shoe flower plant. (b) Mycorrhizae living on the roots of higher plants (c) Clown fish living among the tentacles of sea anemone (d) Koel laying her eggs in crow's nest .

Name the interaction in each of the following : (a) Cuscute growing on a shoe flower plant. (b) Mycorrhizae living on the roots of higher plants (c) Clown fish living among the tentacles of sea anemone (d) Koel laying her eggs in crow's nest .

Name the interaction in each of the following : (a) Cuscuta growing on a shoe flower plant. (b) Mycorrhizae living on the roots of higher plants (c) Clown fish living among the tentacles of sea anemone (d) Koel laying her eggs in crow's nest .