Biology
What process causes bread to rise and what is the product
Write the evolutionary advantage of the occurrence of sperm cells and larval phase in the life cycle of sponges?
What is meant by the pineal gland?
Write down some examples of migratory animals?
As Compared to mammals, do birds absorb less or more water in their digestive system? Explain why this phenomenon is an adaptation to flight?
Name the kind of reproduction which takes place in roundworms? What usual feature do nematode sperm cells contain?
Explain the leaf cuticle?
State how many chambers do the bird heart and the mammalian heart have? Concerning the maintenance of temperature specify the benefit of double and complete circulation of these animals?
Why the Krebs cycle is also termed as the final common pathway of degradation of the organic compounds?
Explain the term respiratory pigments? What are various respiratory pigments and in which animal groups can all of them be found?
How the mesoderm, the third germ layer of the triploblastic animals is formed?
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