what is the differnece between vector and carrier??
what is difference between gills AND BOOK GILLS
what is blind sac body plan ?
calculate the number of molecules present in 22g of carbon dioxide
what is hypostome ( present in phylum cnidaria or phylum coelentereta)?
WRITE THE GENERAL CHARACTERS OF THE CLASS MAMMALIA.
what is the difference between metamerism and segmentation ??
What is the mode of nutrition of archaebacteria?
all vertebrates are chordates but all chordates are not vertebrates...explain in detail....3 marks...
Is development direct in chondrichthyes?
what are the differences between mesoglea and mesoderm
why is octopus kept in phylum mollusca???????
it dosent have any shell????????
phylum coelenterata are sessile. what is sessile?
what is malpighian tubules ?
what are book lungs and book gills?
is tree density positively correlated to mosquito densities?why?
why are urochordates called tunicates?
1.]what is halophytic nutrition??
2.]what are sessile animals??
3.]what is spicules??
4.] what is an hermaphrodite organism??
function of anal cirri in nereis ?
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