What are the two major classes into which fishes are divided

Assignment Help Biology
Reference no: EM131178921 , Length: 500 Words

Fishes

1. What are the two major classes into which fishes are divided?

2. From which features do osteichthyes and chondrichthyes get these names?

3. What are the major features of fishes associated to the habitat where they live?

4. Comparing to cyclostomes (primitive vertebrates) what are the major novelties presented by fishes?

5. How different are the swimming strategies in chondrichthyes and in osteichthyes? Why do sharks need to agitate their body to swim while

bony fishes do not?

6. How does the swim bladder of fishes work allowing fishes to control their depth under water?

7. How do fishes do gas exchange?

8. Do fishes present an closed or open circulatory system? How many chambers does a fish heart have? How does blood flow throughout the fish body?

9. How is excretion done in fishes?

10. What are the lateral lines of fishes?

11. How different are fecundation in chondrichthyes and in osteichthyes?

12. 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? 

Verified Expert

Fishes are divided into two major classes: osteichthyes, bony fishes (tuna, sardines, salmons). “Chondros” means cartilage, “ictis” means fish (both from the Greek) the name

Reference no: EM131178921

Questions Cloud

Identify components of codes of conduct : Identify components of codes of conduct. Demonstrate a basic understanding of some of the ethics issues that may be addressed through codes of conduct. Prepare a written report comparing and contrasting two codes of conduct
What is the arbitrage profit per dollar : Suppose the Japanese yen exchange rate is ¥78.47 = $1, and the British pound exchange rate is £1 = $1.57. What is the cross-rate in terms of yen per pound? Suppose the cross-rate is ¥125 = £1. What is the arbitrage profit per dollar?
Job specifications include for type of position : What should the titles of the jobs be and what should the job specifications include for each type of position? How should they advertise these positions? Justify your choices.
Without flotation and cost of common equity with : The Evanec Company's next expected dividend, D1, is $2.97; its growth rate is 4%; and its common stock now sells for $32. New stock (external equity) can be sold to net $28.80 per share. What is Evanec's cost of retained earnings, rs? What is Evanec'..
What are the two major classes into which fishes are divided : What are the two major classes into which fishes are divided? From which features do osteichthyes and chondrichthyes get these names? What are the major features of fishes associated to the habitat where they live?Comparing to cyclostomes (primitive ..
Derive the demand curves for ggcs product in each market : Derive the demand curves for GGC's product in each market. Derive GGC's marginal revenue (MR) and marginal cost (MC) curves in each market. Show graphically GGC's demand, MR, and MC curves for each market.
Explin each of quality issues are not met in your sis page : This question covers Sections 1 and 2 of Block 1. It assesses your understanding of various concepts covered in those sections and your ability to relate those concepts together. Data quality issues are described in section 2.3 of Block 1. Briefly ex..
Sequence of successes in a sequence of bernoulli trials : Let R denote the random variable on the set of sequences of n independent Bernoulli trials that counts the number of runs in this sequence. Find E(R)
Assuming that the interest rate remains : When Jamal graduated from college recently, his parents gave him $1,230 and told him to use it wisely. Jamal decided to use the money to start a retirement account. Calculate how much money Jamal will have in his IRA at the end of 10 years, assuming ..

Reviews

Write a Review

Biology Questions & Answers

  Immune response to infectious disease

It is a very curcial concept to understand how the immune response is mounted against viruses, bacteria, protozoans and helminthes. For an effective immune response, both innate and adaptive immunity should work together.

  A review on advanced glycated end products (ages)

This Project report elaborates a critical review of important elements attached to Advanced Glycated End Products (AGEs). It is very crucial to understand the process called Millard reaction.

  Plastic as a soil stabilizer

Soil stabilization is the permanent physical and chemical alteration of soils to enhance their physical properties. Stabilization can increase the shear strength of a soil and control the shrink-swell properties.

  Principles of microbiology

This assignment has three parts which contains questions related to Microbiology. It contains basic principles of microscopy, staining techniques in microbiology and microbial growth in the food industry.

  List the biologic functions

Lipid metabolites are often seen as key elements in cellular signaling. Is this unique? Please provide several examples of the function of lipids as key elements in signal arrays and list the biologic functions these signals affect?

  Biologic function relationships

Please describe how one might search for chemical structure, biologic function relationships, involving small molecular weight lipophylic compounds. Provide one example.

  Case study on patient in the haematology laboratory

Write a case study which detailing a scenario of a patient being investigated in the Haematology laboratory.

  Use of pcr and genetic approaches in biotechnology

The use of PCR and genetic approaches in biotechnology

  Describe the role of this enzyme in honey

Glucose oxidase is an enzyme that can be used for measurements of glucose levels by combining this reaction with an oxygen probe.

  Genetic problems

What phenotypic ratio would you get if you crossed a white mouse and a heterozygous brown mouse?

  Prepare an essay on nosocomial infection

Prepare an essay on nosocomial infection.

  Monitoring and recording the blood pressure

To increase the awareness of monitoring and recording the blood pressure of patients and practice measuring blood pressure in a safe environment.

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