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What are 4 main difficulties that had to be solved with this evolution? How were they solved?
Specify some of the main differences of vertebrate nervous systems comparing to the invertebrates?
What is dichogamy?
Write about the main cells of connective tissue proper? Specify the name given to intercellular material which surrounds these cells?
What do you mean by immunoglobulins?
How do calcium ions contribute in the muscle contraction? Why do both muscle relaxation and muscle contraction spend energy?
What is meant by the connective tissue proper?
How does sexual reproduction take place in bacteria? How distinct are the modalities of bacterial sexual reproduction?
Explain the term kararch effect?
Write down some examples of migratory animals.
Bacteria are prokaryotic cells, that is, they do not boast a membrane-delimited nucleus. Eukaryotes encompass cells with a delimited nucleus. Where in such kinds of cells can DNA are found?
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