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).
In science, a scavenger is  an organism that consumes a decaying organism. Some common examples of scavengers are vultures, hyenas and insects, such as blowflies. There are also scavenger cells, which surround and destroy invading microorganisms.