What is the average annual consumption per application? The following is based on average usage. Please note that gallon consumption is based on each individual householdâs preference. Whole House Propane Use â approximately 1200-1500 gallons (based on a 2200 square foot home) Cooking only â approximately 50 gallons. Cooking & drying â approximately 100-150 gallons.
Meat ants feeding on a cicada; some species can prey on individuals of far greater size, particularly when working cooperatively. In an ecosystem, predation is a biological interaction where a predator (an organism that is hunting) feeds on its prey (the organism that is attacked).
Predation - By function. 1  Predators can be classified by their consumer-resource interactions [2] with their prey. 2  A true predator is one that kills and eats another living thing. 3  Grazing organisms generally do not kill their prey. 4  Parasites can at times be difficult to distinguish from grazers.