Question : Animals possess nerve or nervous systems to respond to their environment. But the single celled amoeba does not possesses any nerve cell , so, how it come to know whether a particle it encounters is a grain of sand and not its dinner by /

Question : Animals possess nerve or nervous systems to respond to thei

1.	Question : Animals possess nerve or nervous systems to respond to their environment. But the single celled amoeba does not possesses any nerve cell , so, how it come to know whether a particle it encounters is a grain of sand and not its dinner by /
Answer» thermotaxis skin hormones chemotaxis ANSWER :D