Unscramble the given words below to get the correct word using the clues given against them.

(a) Adaptations

Adaptation is the process of change by which an organism becomes better suited to its environment.

(b) Excretion

Excretion refers to the process of getting rid of waste products.

(c) Stimuli

Stimulus is a change in our surroundings that make us respond to it.

(d) Reproduction

Reproduction refers to the process by which living organisms produce offspring of their own kind.