Which of the structure listed below is peculiar to the axis vertebra?

Amoeba moves by means of

All living organism

The complex relationship between the members of a community and between the community as a whole and its physical environment is

Which of these is the terminal portion of the alimentary canal of a mammal?

Which of these tissue serves the function of support and water conduction

The movement of molecules from a region of higher concentration to one of lower concentration is

An organism which lives on the remain of dead plant is

Which of the substance listed below is a trace element of plants?