What are the reasons that you can think of for the arthropodfs to constitute the largest group of the animal kingdom?

How do you think the tendency to lose electrons will change in a group?

What are the following and where do you find them in animal body : Axons

Take a sheet of paper. Measure its area. Pile up such sheets of paper of same size to make cuboid. Measure the height of this pile. Find the volumne of the couboid by finding the product of the area of the sheet and the height of this pile of sheets. This activity illustrates the idea that volume of a solid can ve deduce by thsi method also (if the base and top of the solid are congruent and parallel to each other and its edges are perpendicular to the base). Can you think of such objects whose volumne can be found by using this method?

What are the following and where do you find them in animal body : Chondriocytes

Plants are autotrophic. Can you think of some plants that are partially heterotrophic?

What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?

Think of your daily routine— how can you save water?

What are the following and where do you find them in animal body :Ciliated epithelium

If in case of a motion, displacement is directly proportional to the square of time elapsed, what do you think about its acceleration i.e., constant or variable? Explain why?