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

Give a specific example of homeostasis, Give a specific example of homeosta...

Give a specific example of homeostasis An owl handles its body temperature by burning fuel to make body heat and by fluffing up its feathers to trap an insulating layer of air

Explain founder effect, Founder effect The difference in gene pools amongs...

Founder effect The difference in gene pools amongs an original population and a new population founded by one or a few individuals randomly separated from the original population,

Define the criteria for an indicator organism, Define the Criteria for an I...

Define the Criteria for an Indicator Organism? Following criteria are suggested for an indicator organism: i. It should be suitable for the analysis of all types of water, i

Growth rate in animals, GROWTH RATE IN ANIMALS - Growth rate is differe...

GROWTH RATE IN ANIMALS - Growth rate is different at different periods of life. Growth period in human may be studied in 5 steps - (i) Prenatal - In gestation period fo

Explain prophylaxis - diarrhea, Prophylaxis Medical Letter consultants...

Prophylaxis Medical Letter consultants generally do not prescribe antibiotic prophylaxis for travelers' diarrhea, but rather instruct thec patient to begin self-treatment when

Megaloblastic anaemia, Megaloblastic Anaemia   Megaloblastic anaemia re...

Megaloblastic Anaemia   Megaloblastic anaemia refers to the abnormal development  of red cells i.e. megaloblasts in the bone marrow.  Etiology   It is due to lack of f

Butter, Ask question #Minimum 100 words role of micro organisms in preparat...

Ask question #Minimum 100 words role of micro organisms in preparation of butter accepted#

Explain healthy nutrition, Explain Healthy nutrition There is no doubt...

Explain Healthy nutrition There is no doubt that adoption of Healthy nutrition lifestyle and the practice of good nutrition habits would help eliminate many health problems ca

Nursing process - bronchial asthma, Nursing Process Assessment ...

Nursing Process Assessment History, precipitating factors, current medication, medication used to relieve asthma symptoms. Any recent changes in medication regimen.

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