Characterization of fishes
According to illustrations of representing beings, how are fishes characterized, fundamental morphology, skin, circulation, respiration, nitrogen waste, thermal control and kinds of reproduction?
Expert
Illustrations of representing beings: sharks, sardines, rays, tuna, salmons. Fundamental morphology: hydrodynamic body and fins; cartilaginous skeleton in the chondrichthyes and bony skeleton in osteichthyes. Skin: with scales in osteichthyes or placoid scales in chondrichthyes. Respiration: branchial. Circulation: closed, in-complete, heart with two chambers. Nitrogen waste: urea in chondrichthyes and ammonia in osteichthyes. Thermal control: heterothermic. Kinds of reproduction: sexual, internal fecundation in chondrichthyes and external in osteichthyes.
Illustrate TH-cells briefly?
What do such sacs do?
Specify three main parts in which a neuron can also be divided? Explain their respective functions?
Define the term Vasectomy and tubectomy in brief?
Principles of Scientific Management 1) Replacing rule of thumbs with science: Taylor has emphasi
Mistakes might take place throughout every copying procedure. The same is true for the DNA replication. Are there amendment systems in cells which try to fix those mistakes? Under which circumstances are the mistakes taken only by individual owner of the cell in which
Give a brief explanation of protein denaturation? Is there any change in primary structure if protein is denatured?
How does photosensitivity in the cnidarians, annelids and worms differ from cephalopods, insects, and the vertebrates?
Process of Organizing The process of organization may be described as the managerial function of organizing. It consists in making a rational division of work into groups of activities and tying to
Are there dissimilar proteins made by the same total number of amino acids?
18,76,764
1953338 Asked
3,689
Active Tutors
1427111
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!