With vertebrates, all energy needs are met through the intake of nutrients in the food they eat. Of the options listed, "Several lions fight over a recent animal kill." Since the kill the the source of nutrients, it is also the source of energy. The fact that the lions are fighting implies competition. Since they are fighting for food, they are competing for energy.
Answer:
The correct answer is option A, Several lions fight over a recent animal kill
Explanation:
The fight between male peacocks is virtual and it is for the purpose of attracting the females based on the color of their tails. Like wise the fight among the elephants and squirrels is mainly for the non-available resources and there is no real fight between them.
While in case of lions the fight is not due to resource crunches but it is in lieu to the winning of most powerful lion. Thus, it can be said that competition for energy is between the lions.
