Echinoderm - circulatory and nervous system, Biology

Assignment Help:

Q. Echinoderm identity card. How are echinoderms characterized according to examples of representing beings, basic morphology, type of symmetry, germ layers and coelom, respiratory system, digestive system, excretory system, circulatory system, nervous system and types of reproduction?

Examples of representing beings: sea cucumber, sea urchin, starfishes. Basic morphology: calcareous endoskeleton with spines, ambulacral system. Type of symmetry: secondary radial, Germ layers and coelom: triploblastics, coelomates. Digestive system: complete, deuterostomes. Respiratory system: nonexistent. Circulatory system: nonexistent. Excretory system: nonexistent. Nervous system: simple, nerve network without cephalization or ganglia. Types of reproduction: sexual, with larval stage.


Related Discussions:- Echinoderm - circulatory and nervous system

Excretory organs, classification of excretory organs in helminthes, nermato...

classification of excretory organs in helminthes, nermatodes, annelids, molluscs, arthropods and echinodems

Main manifestations of cholera, Q. What is the etiological agent and the ma...

Q. What is the etiological agent and the main manifestations of cholera? The Cholera is a bacterial disease caused by the Vibrio cholerae. The disease is spread by fecal-oral r

Cryptophytes - classes of life form, Cryptophytes - Classes of Life Form ...

Cryptophytes - Classes of Life Form Perennating buds or shoot apices are buried in the ground at a distance from the soil surface that varies in different species. The buds ar

How is the yolk sac formed, How is the yolk sac formed? What is the functio...

How is the yolk sac formed? What is the function of the yolk sac? The yolk sac is formed from the covering of the vitellus by some cells originated from the primitive gut. T

What is ecology, What is Ecology? Ecology is the field of Biology that ...

What is Ecology? Ecology is the field of Biology that studies the relationship among living beings and among living beings and the environment.

Determine the greater palatine nerve and vessel, Greater Palatine nerve and...

Greater Palatine nerve and vessel  The greater palatine nerve runs forward in a groove on the inferior surface of the hard palate to communicate with nasopalatine nerve in inci

Which are the phases of the menstrual cycle, Q. Which are the phases of the...

Q. Which are the phases of the menstrual cycle? The menstrual cycle is divided into two major phases: the luteal (or secretory) phase and the follicular (or menstrual) phase.

Nutrient requirements for preterm and low birth weight, Define the Nutrient...

Define the Nutrient requirements for preterm and low birth weight? Energy: For preterm infants 1.20 Kcal/kg/day,            For normal infants 108 Kcal/ kg/ day. Proteins

Research and documentation - conservation of wildlife, Research and Documen...

Research and Documentation - Conservation of wildlife First, list of endangered species are established by various national and international agencies. Another important actio

National approach to deal with the prevention of obesity, Define National A...

Define National Approach to deal with the Prevention of Obesity? A number of countries have adopted a national approach to deal with the prevention of obesity and other non-com

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd