Animals in which the cells are arranged in three embryonic layers are called ________.
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Which of the following is an emergency hormone in humans?
In Animal Kingdom classification, which of the following is not a Phylum?
Which of the following increases the rate of heart beat?
Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in
Which of the following bacteria is responsible for the formation of curd?
The alimentary canal is a long tube that extends from ______.
Sponges belongs to the phylum