11. Which of the following statements is/are correct?
A. Cnidarian can not reproduce sexually
B. Nematocysts are stinging structures that Cnidarians and many other animal Phyla possess.
C. Given the following on the organisms:
I. An animal
II. Multicellular
III. has tissues (diploblastic)
IV. lacks organs
V. is radially symmetrical
This organism could be a member of the Phylum Cnidaria
D. Sea anemones are members of the phylum Echinodermata
E. Members of Cnidaria have three layers of cells (triploblastic) including the endoderm, mesoglea, and ectoderm.

Options A, B, C, D at correct

Explanation:

Cnidarians are a branch of invertebrates characterised by by a radially symmetric body including a saclike internal cavity and nematocysts; stinging structures that aids in feeding. They are also known as coelentrates. They are diploblastic (2 body layer). They also reproduce asexually by various mean including budding. Example include sea anemones, hydra, corals, jellyfish etc

Option B, C, and D.

Explanation:

Phylum cnidaria are group of animals in the animal kingdom that live in aquatic habitat mostly living in marine. They have specialized cells called cnidocytes of nematocysts organelles that help in stinging and capturing prey. Their bodies is consist of mesoglea found between to epithelium layers. They are radially symmetrical .

They have two majory body forms, swimming Medusa and sessile polyps. Cnidarians are diploblastic animals. Cnidaria can reproduce sexually.