Question
Fill in the blanks with the proper words from the brackets.
(a) The process by which plants make their own food is called ............ .
(b) To inhale ......... and to exhale ........ is called respiration.
(c) The elimination of waste substances from the body is called ............ .
(d) The ability to respond to an event is called ..... to ...... .
(e) On completing their lifespan, every living thing ........ .
(oxygen, dies, excretion, carbon dioxide, responsiveness, photosynthesis, stimuli)