The structure which provides a vascular connection between the foetus and uterus is called…..

Association between two organism is called

The valve in between oesophagus and stomach is called

Space between the 2 nuclear membrane is called…………… .

The disc like structure which helps in the transfer of substances to and from the foetus's body is called…………

Fill in the blanks. The disc like structure which helps in the transfer of substances to and from the fetus's body is called _______.

Name the Phylum which is a connecting link between chordates and non-chordates.

What could be the connecting points between the GFC and DFC?

The diference between the true value and measured value is called

The property which resist the relative motion between two surface in contact is called

___can be considered as connecting link between ape and man.