What is an insertion point?
O A feature that substitutes symbols for text typed into the
document.
O A small picture whose location on the screen is controlled
by the mouse.
O A blinking vertical line where text will appear when you start
typing.

4. what is the reason for including the following code snippet in the header file animal. h? #ifndef animal_h #define animal_h class animal { public: animal(); animal(double new_area_hunt); void birth(); void hunt(double new_area_hunt); void death(); double get_area_hunt() const; private: double area_hunt; }; #endif