Quick Answer. It takes between 10 to 12 minutes to completely melt an ice cube on concrete with an ambient temperature of 109 degrees Fahrenheit. Ice melts at different speeds based on a range of factors such as the temperature of the ice, the size of the ice and the ambient temperature. Continue Reading.
Report Abuse. Most bacteria are not producers, they are consumers. Most bacteria are decomposers, though some are parasites. The bacteria that are called cyanobacteria are producers that use photosynthesis. There are also some bacteria that live near deep sea volcanic vents and produce their own food using chemicals for energy.
Sun -> Primary Producers -> Primary Consumers -> Secondary Consumers -> Tertiary Consumers. Primary consumers, which is more or less synonymous with herbivores, eat the things that turn sunlight into energy. Secondary consumers are carnivores who eat the primary consumers. Tertiary consumers are at the top, eating all the secondary consumers and primary consumers that they can. A rabbit would be an example of a primary consumer. The fox that eats the rabbit is an example of a secondary consumer. Wolves are tertiary consumers, because they come along and eat everybody involved, and because nobody eats them.