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

Systems theory - accident causation, Systems Theory - Accident Causation ...

Systems Theory - Accident Causation The systems theory established extremely strong relationship between system and accident. A properly functioning system may avoid accidents

Explain directly observed therapy of tuberculosis, Directly observed therap...

Directly observed therapy In treating TB, poor adherence to therapy is the most important cause of treatment failure and is associated with emergence of drug resistance. Medica

Evidence in favour and against of mutation theory, EVIDENC E IN FAVOUR OF ...

EVIDENC E IN FAVOUR OF THE MUTATION THOERY - Mutation theory can explain both progressive and retrogressive evolution and the occurrence of both changed and unchanged forms.

Speciation, Ernst Mayr, for whom, species and species problem have been the...

Ernst Mayr, for whom, species and species problem have been the main concern of research, points out that speciation, the multiplication of species, that is division of one parent

Short coming of cell theory, SHORT COMING OF CELL THEORY / EXCEPTIONS OF CE...

SHORT COMING OF CELL THEORY / EXCEPTIONS OF CELL THEORY (i)       Viruses can be considered as exception to cell theory. They are made of proteins and ones of nucleic acid i.e.

Set up a potometer in the laboratory, A student set up a potometer in the l...

A student set up a potometer in the laboratory and measured the rate of movement of water in the capillary. An average of four readings gave a rate of 50mm per minute. The apparatu

Social determinants of health - transport, Social Determinants of Health - ...

Social Determinants of Health - Transport Rising worldwide incomes have led to a massive use of automobiles and in particular cars. Cars are seen as a threat to health because

Why c4 plants are more efficient in photosynthesis, C4 plants are more effi...

C4 plants are more efficient in photosynthesis than C3 plants due to: 1. Higher leaf area 2. Presence of larger number of chloroplasts in the leaf cells 3. Presence of thi

Determine the exercises require to do diabetic patient, Determine the Exerc...

Determine the Exercises require to do diabetic patient Exercises are any bodily activity that enhances or maintain physical fitness and overall health. It is performed for stre

Explain matching energy intake to energy expenditure, Explain Matching ener...

Explain Matching energy intake to energy expenditure? To be in energy balance, an athlete needs to consume about the same number of calories that he or she expends on a daily

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