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.
<u>Answer:</u>
<em>When the volume is constant the pressure increases with temperature. </em>
<u>Explanation:</u>
<em>Gay Lussac’s law precisely explains the relation between pressure and temperature of a system which has constant volume.</em> In a system which has constant volume an increase in temperature indicates increase in temperature as well.
The reason behind the observation of this trend is the change in <em>randomness of particles of the system. </em>
With increase in temperature the particle movement becomes random and fast. <em>The particles hit the container walls at an increased rate and the pressure of the system increase. </em>
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producers are plants, so they won’t attack anyone
Phagocytosis is the process by which immune cells engulf and then destroy bacteria