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

Is herbivorism a form of predatism, Q. Is herbivorism a form of predatism? ...

Q. Is herbivorism a form of predatism? The Herbivorism is a form of predatism in which first order consumers feed from producers (plants or algae). For instance, fruits and bir

Explain differential staining technique, Explain Differential Staining Tech...

Explain Differential Staining Technique? It divides bacteria into separate groups based on staining properties, like Gram's stain, Acid-fast stain etc. Here 2 or more contrasti

How does sexual reproduction occur in bacteria, How does sexual reproductio...

How does sexual reproduction occur in bacteria? How different are the modalities of bacterial sexual reproduction? Sexual reproduction happens when bacteria incorporate genetic

Radiography, RADIOGRAPHY You  have read  in GNM courses about radiographi...

RADIOGRAPHY You  have read  in GNM courses about radiographical examination. In this text the discussion will be on the following radiographical tests.   Chest Roentgenogram

Determine the goal of a bcc programme, Determine the Goal of a BCC Programm...

Determine the Goal of a BCC Programme The overall goal of BCC programs for diabetes mellitus is to promote behaviors that control blood sugar and prevent complications. Thes

State the term - rCBF, State the term - rCBF In rCBF, the participant i...

State the term - rCBF In rCBF, the participant inhales a small amount of a radioactive gas such as xenon, which is absorbed into the bloodstream and thus transported around the

HIV VIRUS, what is the structure of hiv virus?

what is the structure of hiv virus?

Explain the term- loss-of-function mutation, Where would a predicted silent...

Where would a predicted silent mutation have to be situated to actually result in a loss-of-function mutation (and potentially lead to the onset of disease)? A. Intron-exon jun

What are the sources of vitamin k, What are the Sources of Vitamin K? A...

What are the Sources of Vitamin K? As mentioned above, in plants, the only important molecular 'form of vitamin K is phylloquinone. Phylloquinone is distributed ubiquitously th

Carrier based gutta percha removal -therma-fill, Carrier Based Gutta percha...

Carrier Based Gutta percha Removal “therma-fill” If the cone the carrier is metal and has cutting flutes that are engaging lateral dentin the instrument retrieval system (IRS)

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