Answer to Question #61398 in Other Biology for bbb

Question #61398
1 Which of these is not true about the phylum echinodermata? All have olfactory organs Bodies are not metamerically segmented Sexes are separate Bodies are not metamerically segmented 2 Which of these is not a class of the phylum echinodermata? arachnida opliuroidea crinoides asteroidea 3 Sea Cucumber is an example of the class holothuroidea echinoidea crinoides opliuroidea
1
Expert's answer
2016-08-30T11:51:03-0400
1.All have olfactory organs - sense organs are poorly developed in these animals
2.arachnida - it belongs to arthropods
3.holothuroidea

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