Amphibians do not have which of the following?

You are given leech,Nereis,Scolopendra,prawn,and scorpion; all have a segmented body organization. Will you classify them in one group? If no,give the important characters based on which you will separate these organisms into different groups.

Which organism is more complex and evolved among Bacteria,Mushroom,and Mango tree? Give reasons.

$A$ plant specimen was found with rhizoids instead of differentiated roots.
$(a)$ Identify the group to which it belongs.
$(b)$ Write any two characteristics of this group.
$(c)$ Draw the diagram of a plant belonging to this group.

Differentiate between a flying lizard and a bird. Provide a diagram.

The skeleton is made entirely of cartilage in