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Echinoderms
Do echinoderms have a post anal tail?
Do echinoderms have a Postanal tail?What do echinoderms and chordates have in common?Is an echinoderm a Deuterostome?Do all chordates have a Postanal...
Do echnoderms have structures of defense?
Echinoderms: Part 3 - Unique Defensive Characteristics Echinoderms possess an interesting defensive structure called the pedicellaria. These external ...
How do echinoderms raise their young?
Commonly, echinoderms will leave their eggs and provide no parental care to the eggs (Young & Eckelbarger, 1994). Some species such as the Slender...
The Characteristic feature of Echinodermates is?
Characteristics of Echinodermata They have a star-like appearance and are spherical or elongated. They are exclusively marine animals. The organisms a...
Do echinoderm have backbones?
The characteristics that distinguish Phylum Echinodermata are: radial symmetry, internal skeleton, and water-vascular system. ... Many echinoderms hav...
Growthdevelopment patters of echnioderms?
How did echinoderms evolve?Do echinoderms have growth rings?Which echinoderms are most developed?Do echinoderms have direct or indirect development?W...
Are echinodoerms invertabres?
Echinoderms. Echinoderms are a phylum of marine invertebrates that include starfish, brittle stars, sea cucumbers, sea urchins, sand dollars, and crin...
Why do echinodermata have spiky skin?
The sea urchins are well known to most people, having a large number of sharp spines pointing out in all directions. These spines offer protection fro...
Are echinodermata vertebrates?
Echinoderms are deuterostome invertebrate animals, phylogenetically most closely related to hemichordates and to chordates. ... (A) Echinoderms (phylu...