WHAT ARE VERTEBRATES??
It belongs to the subphylum Vertebrata of phylum Chordata. The name Vertebrata is derived from the presence of serially arranges “vertebrae” or vertebral column or the BACKBONE which comprise a
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GENERAL PRINCIPLES OF ALIMENTARY TRACT SECRETIONS:
Throughout the gastrointestinal tract, subserve 2 primary function Digestive enzymes are mostly secreted in the entire alimentary canal, from the mouth to the anus. Mucosal glands from the mouth to
PROTOZOA: What are they ,an overview
: PROTOZOA : Its Characteristics, Classification and Kinds General Characters they are microscopic animalcules They are the most primitive of all animals protoplasmic degree of organisation Body single-celled(unicellular), containing one