Fill ups
The serial changes in prevously sterile or totally barren area is called……….. .

Fill ups The product of area and component of magnetic field normal to area is called………….. .

Fill ups The number of organisms found per unit area is called as………….. .

The gradual and predictable change in the species composiiton of a given area is called ecologial succession. What do you understand with the pioneer and climax community in this context?

Fill ups Total number of magnetic lines passing through a surface is called……………..

Fill inthe blanks: Changes in our surroundings that make us respond to them are called............. .

Fill ups When the primary productivity is calculated in terms of total plant community of an ecosystem, its is called……….productivity.

Fill in the Blanks The species that invade the bare area are called________.

Fill in the blanks: br The rate of change of area of circle w.r.t. radius when radius is 5 cm is…….

Fill in the blanks in the following statements:- Changes in which only ________ properties of a substance change are called physical changes.

A solid right circular cylinder has its radius equal to half of its height. Find the rate of change of its total surface area w.r.t. a change in the radius r.