Is fecundation in mammals external or internal
Is fecundation in mammals external or internal?
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Fecundation in mammals is inner, with copulation. In contemporary world human technology is capable to encourage artificial external fecundation of human gametes and of gametes of further animals.
What do you mean by tubal pregnancy? Briefly explain it.
Goals lay down targets to be achieved in future. They influence the behavior of employees and also their motivation. When the employees participate in goal setting, they see how their efforts will lead to performance, rewards and personal satisfaction. Thus, goals provide a sense of direction to
Why do protease-supplying cells of stomach and the pancreas make just precursors of the active proteolytic enzymes?
How is nervous system characterized in beings of phylum Annelida? How can one compare cephalization in the annelids to cephalization in platyhelminthes and nematodes?
Name the five kingdoms into which living beings are classified? Which class of living being is out of this categorization?
In comparison to the cyclostomes (primitive vertebrates) specify the main novelties presented by the fishes?
Explain the ecological significance of fungi?
Name the subunits from which ribosomes are made up of.
What are the morphological, functional and chemical similarities and differences among peroxisomes and lysosomes?
Describe the term pentoses? To what organic class do pentoses belong? Are nucleotides made of only one kind of pentose?
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