Is embryonic growth in birds direct or indirect
Is embryonic growth in birds direct or indirect? Answer: The embryonic growth is direct, there is no larval phase.
Is embryonic growth in birds direct or indirect?
Answer: The embryonic growth is direct, there is no larval phase.
How tubular-dorsal nervous system in chordates is compared to nervous pattern which is present in invertebrates?
What is number of germ layers which originate in the body of platyhelminthes? In relation to this characteristic how are such animals categorized?
Write down the most abundant form in which nitrogen is found in nature.
Does RNA molecule contain two polynucleotide chains similar to DNA? Answer: The DNA has only two polynucleotide chains. RNA is made by just one polynucleotide chain.
What are various biological illustrations in which lysosomic enzymes play a basic role?
Name some significant neurotransmitters?
Write down the main classes in which phylum are divide? Write down some examples of each and in which form (polyp or medusae) are they found?
Which are the cell organelles which participate in cell division and in the making of cillia and flagella of certain eukaryotic cells?
Give a brief explanation of cross-reaction.
How carbon dioxide made by consumers and producers?
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