In a food web, each ____________ depends on the trophic level below it for energy. consumer true producer false decomposer false detritivore false Single Which is an example of an abiotic factor in a desert? Sun true cactus false scorpion false snake false Single Which answer best describes a producer in an ecosystem? a living organism false a living organism that produces its own food false a living organism that produces its own food and is food for other living organisms true a living organism that produces and consumes other living organism false Single Which answer best describes a consumer in an ecosystem? A living organism that produces food for other living organisms false Someone that buys something false An abiotic factor false A living organism that eats other living organisms true Single Which words below describe amounts of living things in an ecosystem? biotic, abiotic false producer, consumer, decomposer false individual, population, community true environment, ecosystem, habitat false Single A species of rabbit lives in a meadow where grass plants are readily available during summer months. The rabbits do not stray far from the meadow because the plants supply food and protection from predators. One summer, a fire destroys the plants in the meadow. As a result of the absence of plants in the meadow, the rabbit population will probably... decrease in size true increase in size false increase reproduction false switch to a different type of food false Single What happens to the amount of available energy in the pyramid as it moves up through the different levels? it increases false it decreases true it remains the same false it decreases, then increases false Single All of the factors listed are abiotic factors of this underwater ecosystem EXCEPT the sunlight false water currents false fish population true water temperature false Single A community of organisms and their abiotic, or nonliving environment is called ecology false ecosystem true population false community false Single The place where an organism lives that provides it with shelter, food and water. ecosystem false population false community false habitat true Single