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

Ions , how do i find an atomic structure

how do i find an atomic structure

Define some beneficial effects of fungi, Define some Beneficial Effects of ...

Define some Beneficial Effects of Fungi? 1. These act as decomposers and can degrade complex organic molecules in dead plants and animals to simple organic compounds and inorga

Ecosystem, what is the main excretory organ of a lizard

what is the main excretory organ of a lizard

How many cells are in the human body, How many cells are in the human body?...

How many cells are in the human body? According to "The Handy Science Answer Book" noted by the Science and Technology Department of the Carnegie Library of Pittsburgh (1994) th

Bio geographical evidence of evolution, BIO GEOGRAPHICAL EVIDENCE- T...

BIO GEOGRAPHICAL EVIDENCE- The patterns of distribution of animals and plants in different parts of the globe are termed as biogeography. It is believed that around carbo

Determine what are the genotypes of the parents, 1. In chickens rose comb (...

1. In chickens rose comb ( R ) is dominant over single comb ( r ). A rose-combed male is mated to a rose-combed female. Eighteen chicks are produced, ten of which are rose-combed,

What are changes in st-segment, Q. What are changes in ST-Segment? Nor...

Q. What are changes in ST-Segment? Normal Exercise Electrocardiogram ST and J Point As the heart rate increases with exercise, a number of predictable changes occur in a

Define the binge eating disorder, Define the Binge Eating Disorder? Bin...

Define the Binge Eating Disorder? Binge eating disorder is probably the most common eating disorder. Binge eating you may recall we studied as an element of bulimia nervosa. In

Potential and excitation threshold for neurons, Q. How different are the co...

Q. How different are the concepts of action potential, resting potential and excitation threshold concerning neurons? Action potential is the maximum positive voltage level ach

What resources are competed for by animals, What resources are competed for...

What resources are competed for by (a) animals, (b) plants?  (a) Animals compete for food, mates and shelter.  (b) Plants compete for light, water and minerals.

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