How are fishes characterized, Biology

Assignment Help:

Q. Fish identity card. How are fishes characterized according to examples of representing beings, skin, basic morphology, circulation, nitrogen waste, respiration, thermal control and types of reproduction?

Examples of representing beings: tuna, sardines, sharks, rays, salmons. Basic morphology: hydrodynamic body, fins cartilaginous skeleton in chondrichthyes, bony skeleton in osteichthyes. Skin: with scales in placoid and osteichthyes scales in chondrichthyes. Respiration: branchial, Circulation: incomplete, closed, heart with two chambers. Nitrogen waste: urea in chondrichthyes, ammonia in osteichthyes. Thermal control: heterothermic. Kind of reproduction: sexual, internal fecundation in chondrichthyes, external in osteichthyes.


Related Discussions:- How are fishes characterized

Explain the recombinantion of dna, Explain the Recombinantion of DNA ? ...

Explain the Recombinantion of DNA ? Recombinant DNA is made by combining DNA from more than one source - often from very different species. The technique is now the basis fo

Define sugars - chemistry and functionality, Define Sugars - Chemistry and ...

Define Sugars - Chemistry and Functionality? In this section we will learn about the simple carbohydrates called sugars. As you may already know, those carbohydrates that canno

Phylum platyhelminthes, PHYLUM  PLATYHELMINTHES Definition and Introd...

PHYLUM  PLATYHELMINTHES Definition and Introduction Bilateral and protostominal  organ  grade eumetazoans  without  a body cavity ( acoelomates)  platyhelminthes means fl

Some species of plant are strongly adapted to pollination, Some species of ...

Some species of plant are strongly adapted to pollination by certain insects.   Characteristics which are regarded as adaptations to pollination by bees are: ( a) white o

Protein folding, Protein Folding With all the known information of prot...

Protein Folding With all the known information of protein structure from X-ray and NMR studies and one might expect in which we would know how proteins fold up within structure

Define impediments and recommendations to infuse biology, Define Impediment...

Define Impediments and Recommendations to Infuse Biology? As has been illustrated in this report, there are compelling instances demonstrating the value of and needs for concer

What are neurons, Question 1 Give the definition and describe the mechanis...

Question 1 Give the definition and describe the mechanism of Active transport. Passive transport with suitable examples Question 2 What are neurons? List out the

Concept of species, Many definitions of species have been offered, but none...

Many definitions of species have been offered, but none of them proved to be satisfactory. The definitions did not categorically provide the basis to decide whether two similar gro

Define the nutritional shortcomings among the elderly, Define the Nutrition...

Define the Nutritional shortcomings among the elderly? Nutritional shortcomings are common among the elderly; most often due to poor choice of foods i.e. they may be consuming

How is the nervous system of nematodes organized, Q. How is the nervous sys...

Q. How is the nervous system of nematodes organized? Where are the neural chords located in their body? Roundworms have a ganglial nervous system with an anterior neural ring r

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