what is the difference between radial symmetry and bilateral symmetry since in both the body has to be divided into two equal halves.
what are the differences between mesoglea and mesoderm
The first largest phylum is Phyllum arthroproda and the second is phyllum mollusca,then which is the third one?
what are book lungs and book gills?
difference between unisexual and bisexual reproduction
WHAT ARE THE AERIAL ADAPTATIONS IN BIRDS?
Is development direct in chondrichthyes?
what is the difference between metamerism and segmentation ??
what is difference between gills AND BOOK GILLS
IS POREFERA TRIPLOBLASTIC OR DIPLOBLASTIC?
JUSTIFY THIS STATEMENT - "All vertebrates r chordates but all chordates r not vertebrates".
WHAT ARE THE ECONOMIC IMPORTACCO OF PHYLUM ARTHROPODA?
what are ostia?
between intracellular and extracellular digestion?
function of anal cirri in nereis ?
what is the function of muscular phaynx of aschelminthes ?
BIRDS have monocondylic or dicondylic skull??
difference between polyp and medusa in tabular form
what is the difference between hemichordata and chordata?
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