All organisms need ________ to live and grow.

Q. A place where a group of organisms live and obtain all things needed for their survival is called a .

Q. Read the following statements and select the correct ones.

Q. Which of the following characteristics is common to all living organisms?
(A) All living things can make their own food.
(B) All living things react or respond to their environment.
(C) All living things live forever.
(D) All living things remain the same from birth to death.
(E) All living things undergo definite change during their life.
(F) All living things excrete or throw out whatever they do not need.

(a) A, C, D
(b) A, B, E, F
(c) B, E, F
(d) all of them

Q. Growth is a permanent and irreversible process. All living things grow from a single cell into an adult organism made up of billions of cells.

Q.

An ecosystem includes :

(a) all living organisms

(b) non-living objects

(c) both living organisms and non-living objects

(d) all living organisms and input of sun's energy