Morphological characteristics of birds
Write the main morphological characteristics of birds?
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Birds are animals which present aerodynamic bodies enclosed with feathers, anterior limbs converted into wings, pneumatic bones and horny (or corneous) beaks.
Write down the elements which constitute the internal ear? And also write down the functions of those structures?
Name the constituent elements of the blood?
Regarding their biological function what is the basic difference between meiosis and mitosis?
How did industrial revolution in the England provide an example of the natural selection?
Illustrate the term interferons?
What is role of DNA and RNA in replication
Explain about the acrosome of a sperm cell? And mention that how is it formed?
Explain the relation between the thyroid and hypophysis?
Specify what reticular fibers of connective tissue are and where they can be found?
Explain the secondary roots? How secondary roots are differentiated from the shoots in origin?
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