Which of the Following Is a Characteristic of Larval Echinoderms

-The adults are sessile and the larvae are free swimming. A Nervous system b Excretory system c Respiratory system d System of internal skeleton 2.

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The digestive system is complete.

. -The adults do not have pharynx and gill slits while the larvae do. Water vascular system B. C a sessile lifestyle.

There is a single larval stage in echinoidea called Echinopluteus which is bilaterally symmetrical. Free-living exclusively marine forms. Symmetry is radial in the adult usually with parts in ²ves or multiples of ²ve.

The body is uniquely shaped. Which of the following is a characteristic of larval echinoderms. The other three arms are anterolateral postoral and posterodorsal arms.

They have a true coelom. Preoralarm is present but posterolateral arm is absent. It can star like elongated or spherical.

View the full answer Previous question Next question. It is a free swimming marine larva which contains numerous bands of cilia. A sand dollars B brittle stars C sea stars.

Arthropods do NOT haveA. Which of the following is a synapomorphy of echinoderms. A unique water vascular system is present.

-The adults do not have a notochord while the larvae do. Which of the following systems is found in echinoderms. A terrestrial animal species is discovered with the following larval characteristics.

A bilateral symmetry B spiral cleavage C gastrovascular cavity D exoskeleton E lophophore bilateral symmetry If a kelp farmer wanted to maximize her harvest which type of echinoderm would she be most concerned about in the habitat. The echinoderms are related to chordates by their similarity in the development of a gut. Sea Stars and Sea Urchins are the two most popular examples for Echinoderms.

A knowledgeable zoologist should predict that the adults of this species would also feature. AUnique characteristics of echinoderms include all of the following EXCEPT Answer. Marine freshwater and terrestrial species Echinoderms are only marine they do not found in freshwater and terrestrial habit.

It exhibits organ system grade of organisation. Larvae are free-swimming and bilaterally symmetrical. Gas exchange occurs through gills on the skin.

Exoskeleton system of tubes for gas exchange and modified segmentation. Echinoderms have a distinctive coelomic water circulatory system with podia or tube-feet protruding out of the body. Adults are radially symmetrical while larvae are bilaterally symmetrical.

This larva is the characteristic of annelids and molluscs. The larva has oval body and long paired ciliated arms that are supported by calcareous skeletal rods. So the common ancestral larvae of echinoderm Chordates and Hemichordates is Dipleurula.

Some of the characteristics of Echinodermata are as follows. It is similar to the bipinnaria larvae of starfish in appearance. -The adults do not have a post-anal tail while the.

The larval forms show bilateral symmetry and adult forms show radial symmetry. -The adults do not have a dorsal hollow nerve chord while the larvae do. Characteristic Features of Phylum Echinodermata These are exclusively marine animals.

D an open circulatory system. The locomotory organs of Echinoderms are called a Parapodia b Pseudopodia c Tube feet d Setae 3. B two pairs of antennae.

Right and then thirdleap is the right synonym of the body cavity in echinoderms it develops as a measure dum pouch from the ghat of the embryo right so basically these are the prominent features we look at the auctioneer right so the water vascular system is a characteristic feature of the echinoderms right then we have is the ko phone lava so. A water vascular system allows the tube feet to produce suction. The correct answer is.

The body is represented by a central disc covered by ossicles with spines called pedicellaria. It is the larva of Hemichordata. The exoskeleton is made up of bony tissue.

The larval stage of most marine worms which is nearly identical to the larvae of molluscs and which shows their evolutionary relationship is the trochophore larvae Abductor muscles are used by molluscs to pull together the two shell halves The phylum of animals which has exploited the greatest variety of habitats is the Phylum Mollusca. Phylum Echinodermata is classified into five classes namely Asteroidea Ophiuroidea Echinoidea Holothuroidea and Crinoidea. Which of the following is not true.

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