Cells having same origin.and function is known as

Cow gives birth to a calf. This type of reproduction is called,

If you breath in a glass  containing lime water , it turns milky because of the presence of the gas.

Building block of an organism is known as

Cockroaches , hide as soon as the light is switched on. This is an example of

Some organisms can respire even in the absence of O₂. This process is called,

Which of the following is a correct statement about growth?

Animals that eat plants as well as animal matter are called :

Study of relation between organism and environment is

Plants grows towards light. This phenomenon is called