This heating effect kills organisms that otherwise could spread disease.

So another approach is to use a chemical to kill any eggs or organisms.

Then, you can boil the water for one minute to kill most disease-causing organisms.

Gamma radiation is often used to kill living organisms, in a process called irradiation.

So by eating, one hurts the tree/plant and also possibly kills organisms living in it.

Cook meats at high enough temperatures to kill organisms.

A woman's immune system also tries to kill organisms (living things) that are not part of her body.

This can kill sea birds, mammals, shellfish and other organisms it coats.

Also, to survive is needed white corpuscles or some other defense to kill destructive organisms, such as bacilli.

Elevated water temperatures can kill fish and other aquatic organisms (see thermal pollution).