Is fecundation in mammals external or internal
Is fecundation in mammals external or internal?
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The Fecundation in mammals is internal, with copulation. In contemporary world human technology is capable to promote artificial exterior fecundation of human gametes and of gametes of another animal.
How visual deficiencies termed as myopia and hypermetropia can be optically described?
Explain the relation between the hypothalamus and the hypophysis?
What is the basic difference between a complete and an incomplete digestive system? How are such kinds of digestive tubes related or not to extracellular digestion?
Assume the government wants to raise farmers' incomes. Why do price supports or acreage restriction programs cost society more than simply giving farmer's money?Price supports & acreage limitations cost society more than the dollar cost of
Specify the evolutionary significance of the emergence of the seeds in plant kingdom?
Define attenuation? Briefly explain it.
Explian the prothallus of the pteridophytes?
Which are the molecules which make possible active transport via membranes?
Name the three main arthropod groups characterized according to the presence of antennae? Answer: The Crustaceans contain two pairs of antennae; insects have one pai
How many cellular nuclei does the pollen tube of the angiosperms have? What is ploidy of each of the nuclei?
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