BIOLOGY
JAMB 2016 - Question 5
Biology 2016 JAMB Past Questions - Question 5: The ability of a living organism to detect and respond to changes in the environment is referred to as
Choose the most appropriate option for the gap .
A:
B:
C:
D:
Correct Answer
C
Explanation
Irritability or sensitivity is one of the characteristics of living organ sms (plants and animals) controlled by hormone, in plant, it occurs in form of phototropism, hydrotropism, haptotropic etc i.e response to the stimulus of light, water and touch respectively. In man it is controlled by both hormone and the nervous system. sax is is the response of the whole organism (animal) to unitaleral stimulus. Animals move towards a stimulus If it is favorable and away from it if it is harmful. Growth Is an irreversible increase in size and weight, increase in dry weight and increase in the number of cells in case of unicellular organisms.
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