Which of the following distinguishes a butterfly from a moth?

In the diagram, the structure labelled II is the

The special pigment for colour change in chameleon is

To which blood group do universal recipients belong?

The process in which complex substances are broken down into simpler ones is referred to as

The behavioural adaptation in social insects could best be described as

The clumping together of red blood cells is

The organism is found in soils rich in

The part of the mammalian skin involved in excretion is the