AP Biology Ecology and the Biosphere — practice questions
18 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice AP Biology Ecology and the Biosphere in the app →An ecosystem is made up of the biotic components of an area together with the:A biological community consists of the different species in an area plus:Members of different species living together are called:Very few living things survive below which temperature, because of metabolic constraints?The Karner blue butterfly is of particular interest to population ecologists because it is:At about 30 degrees north latitude, forests give way to deserts because of:Two places at the same latitude can hold different ecosystems because of factors such as:Light availability is limited in aquatic ecosystems because sunlight is absorbed by water and by:At hydrothermal vents, some bacteria obtain energy from:Water reaches its maximum density at:The deepest water of an ice-covered lake is oxygen poor because:Fall turnover in a lake happens when surface water cools to 4 degrees Celsius and then:Upwelling is ecologically important because water moving from the ocean bottom to the surface brings up:Marine organisms risk losing water to their surroundings because seawater has:Amphibians and reptiles are more limited in their geographic distribution than birds because they:Soil influences plant distribution through its pH, nutrient content and:Oxygen availability becomes a limiting factor for organisms living:Wind matters as an abiotic factor mainly because it influences the rate of: