All organisms are in battle for survival against their environment.
Thinkers never dispute this fact, but those who follow the current fad in intellectual endeavor constantly try to beguile the public that this is not so. This can be verified daily by following national, state, and professional politics. And this deserves explanation. The entities of the plant kingdom survive because they devour essential nutrients from the mineral kingdom to live. Entities of the animal kingdom either gorge plants or weaker animals to survive.