--%>
Assignment Help - homework help

Evolutionary analogy or homology

If the limbs which are modified into the wings of bats and the wings of birds are specifying the evolutionary analogy or homology? What can you say about the whale fins as compared to the fish fins?

E

Expert

Verified

Wings of the bat and bird perform same function and the same origin so they are said to be homologous and analogous organs. Fins of whale are the modification of posterior limbs whereas fish fins having the same function do not come from the modified limbs; so they are analogous but nothomologous structures. Evolutionary homology implies common ancestry whereas biological analogy relates to concept of the evolutionary convergence, appearance of the similar features in evolutionarily distant species which explore same type of environment.

   Related Questions in Biology

  • Q : Sales Promotion Explain different types

    Explain different types of Sales Promotion aimed at Customers?

    		•
  • Q : Formation of gametes in pteridophyte

    Explain the formation of gametes in the pteridophyte life cycle, through the mitosis or meiosis? State the type of meiosis which takes place in pteridophytes?

    		•
  • Q : Toxins Define: (a) Toxins (b)

    Define:(a) Toxins (b) Carcinogens (c) Teratogens (d) Neurotoxins.

    		•
  • Q : Organs which are part of

    Name the organs which are part of musculoskeletal system? Answer: The major tissues and organs which are the part of musculoskeletal system in humans are: cartilages

    		•
  • Q : Explain ABC analysis ABC analysis : It

    ABC analysis: It is an inventory management technique wherein the items are classified and clubbed according to their value. The items including the top 5-10% of the total value of inventory are known as "Class A", next 10-15% is classified as "Class

    		•
  • Q : Metabolic gases Explain about the two

    Explain about the two main metabolic gases which are transported through the blood?

    		•
  • Q : Assessing risk in your IT strategy Now

    Now is also a good time to carry out a detailed risk assessment to understand the suitability of the strategy. A corporate risk register should be maintained to monitor and manage key assumptions As each of the outputs are brought

    		•
  • Q : Internal and external gills Explain the

    Explain the challenges and advantages of having internal gills over external gills for gas exchange? (2 points)

    		•
  • Q : Define Six Sigma Six Sigma : Six Sigma

    Six Sigma: Six Sigma at numerous associations simply means a measure of quality which strives for close perfection. Six Sigma is a disciplined, data-driven approach and method for removing defects (that is, driving toward six standard deviations among

    		•
  • Q : How is the yolk sac made How is the

    How is the yolk sac made? What is the main function of the yolk sac?

    		•