--%>
Assignment Help - homework help

Characterization of the fishes

Characterizes the fishes in accordance to the examples of representing beings, skin, basic morphology, respiration, circulation, thermal control, nitrogen waste and types of reproduction?

E

Expert

Verified

a) Examples of representing beings: rays, sharks, sardines, tuna, salmons.

b) Basic morphology: hydrodynamic body, fins;

c) Cartilaginous skeleton in the chondrichthyes, bony skeleton in osteichthyes.

d) Skin: with scales in the osteichthyes and placoid scales in chondrichthyes.

e) Respiration: branchial.

f) Circulation: incomplete, closed, heart with two chambers.

g) Nitrogen waste: urea in chondrichthyes, ammonia in osteichthyes.

h) Thermal control: heterothermic.

i) Types of reproduction: sexual, internal fecundation in chondrichthyes, external in osteichthyes.

   Related Questions in Biology

  • Q : Ploidy reduction-meiosis division

    Throughout which meiosis division does ploidy reduction take palce? Does ploidy reduction take place in mitosis?

    		•
  • Q : Define the term Hybridization Define

    Define the term Hybridization.

    		•
  • Q : Issues on an international e-commerce

    The local manufacturer of work and gardening gloves has been enjoy moderate success in its local markets with physical sales team. The president is convinced that the e-commerce site could significantly rise sales, specially on an international market.Eluc

    		•
  • Q : What is Strategic Development Strategic

    Strategic Development: It is also termed as strategic planning, and is basic to making and running a business. Simply put, it is a game plan which sets particular goals and objectives however like a game plan, it is capable of being modified in respon

    		•
  • Q : Preventive measures of typhoid Write

    Write some of the preventive measures of typhoid?

    		•
  • Q : Spermatogenesis-Male Anatomy Explain

    Explain the term Spermatogenesis with the help of figure.

    		•
  • Q : Stimulus received and transmitted by

    Specify the nature of stimulus received and transmitted through the neurons?

    		•
  • Q : Importance of innovation in an

    Importance of innovation in an organization: Stability is the one thing which is not stable in the organization thus change in an organization is mandatory for better growth and development. To develop and to innovate new ideas and implement those ide

    		•
  • Q : How does price serve similar a signal

    How does price serve similar a signal to resource owners?While consumers decide that a good or service is more appealing than before, demand increase. This creates a shortage at original equilibrium price, putting upward pressure onto price. T

    		•
  • Q : Location of myosin and actin molecules

    Specify the location of myosin and actin molecules within the sarcomere before and during the contraction of muscle?

    		•