Zoology Answers

explain evolutionary history advances of subphylum vertebrata over sub-phylum cephalochordate

explain about origin of tetra pods and their fish ancestors

why animals evolved lung to live on land, why not animals with gills?

In which period of the zoological timescale the first vertebrate were appeared with egg?

Write the scientific name of living fossil belonging to family limulidae?

Enumerate dominant life found during th mesozoic era? 3mark

Describe the geographical limit, climatic condition and characteristic fauna with special reference to mammalia of either oriental realms or australian realms.

The movement of sodium and potassium ions across the nerve cell membrane involves

Is it possible for a graffian follicle and a corpus luteum to be developing simultenously in the ovary

Explain how one can distinguish between 18 -and 24-hours chick embryo