Apparently it is ATP as deduced from the last line of text and no model to refer to.
The correct answer is c trachea
Blue-green algae aka Cyanobacteria
<span>The correct answer should be that the carnivore population would also increase. Since they eat the herbivores, if the amount of herbivores increased there would be more food for the carnivores so they wouldn't have to worry about anything and could thrive, feeding themselves without worrying for food.</span>