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.
What is the mechanism through which the neural impulse is transmitted all along the axon?
How three main arthropod classes typified according to presence of antennae?
Why is it not accurate to assert that DNA self-replicates?
How does the formation of the enzyme-substrate complex explain the reduction of the activation energy of chemical reactions?
Name the form of protozoan reproduction which produces more variability?
Define the term Kc?
What is the necessary condition for a protein to be similar to other protein?
Elements of scientific management The main elements of scientific management are : i) work study involving work measurement and work improvement thr
How Passive immunity is categorized?
Define the term “Cost of Quality” and is ramifications or implications in the organization.
18,76,764
1943572 Asked
3,689
Active Tutors
1411886
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!