Feeding behavior with a high-energy intake-to-expenditure ratio is called
D) optimal foraging
The optimal foraging theory (OFT) is a behavioural ecology model that predicts how an animal will act when looking for food. Although eating gives the animal energy, hunting for and acquiring food takes both energy and time. To increase fitness, an animal uses a foraging method that offers the most benefit (energy) for the least amount of money, maximising net energy obtained.
OFT is an ecological optimization model application. Natural selection, according to this hypothesis, will select for the most economically advantageous foraging habit of a species.
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