It's some change in the conditions around the organism, which the organism can detect and respond to. A change in temperature, more light, or something physically poking the organism are examples.
Answer:
Photogenic means looking attractive in photographs or on film. Photography means a picture made using a camera, in which an image is focused onto film or other light-sensitive material and then made visible and permanent by chemical treatment, or stored digitally.
Explanation:
option D is the correct answer ..
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If it doesnt have a nucleus or a cell wall it is a prokaryote. also prokaryotes displayed in pictures tends to be longer
