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

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?

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?