Explanation:
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Plants and animals affect neighboring cells directly because
when in terms with the plants, they use their plasmodesmata in which allowed
them to communicate and affect neighboring cells. While the animals use their gap
junctions that is use for them to communicate and affect their neighboring
cells.
Causes of a DNA mutations by environmental factors such as ultraviolet radiation from the sun or can occur if an error is made as DNA copies itself during cell division
Because we have to eat food in order to gain energy and we dont have certain cells like plants