Animal Kingdom
In sea urchin DNA, which is double stranded, 17 % of the bases were shown to be cytosine. The percentages of the other three bases expected to be present in this DNA are
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Single Choice
Which of the following echinoderm is not marine?
ASea lilly
BStar fish
CHolothuria
DNone of the above
Correct Answer
Solution
Sea lily is a marine invertebrate animal. It belongs to the class Crinoidea and phylum Echinodermata. The adult organism is fixed to the sea bottom by a stalk.
Star fish is commonly known as sea star. The organism is found in deep sea waters. The organism has a disc like body with arms. They have tube feet which help in locomotion under water.
Sea cucumbers are the marine organisms which belongs to the class Holothuria. They have long cylindrical body which is warty and dark in colour. The structure resemble to cucumber.
Thus, the correct answer is option D.
SIMILAR QUESTIONS
Animal Kingdom
Presence of pedicellariae is the characteristic of
Animal Kingdom
The animal that has tube feet is:
Animal Kingdom
Which of the following echinoderm animal belongs to class Crinoidea?
Animal Kingdom
Echinoderms are characterized by:
Animal Kingdom
Which of the following echinoderm remain attached to some objects at some stage of life, has no pedicellariae and tube feet are without suckers?
Animal Kingdom
Echinoderms resemble chordates in having
Animal Kingdom
In starfish at the aboral end near the anus, a plate-like porous structure is found and is called:
Animal Kingdom
Aristotle's lantern' is found in
Animal Kingdom
Radially symmetrical animals may occur in
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