AP BIOLOGY

Detailed explanation-1: -Animals that live in aquatic environments tend to release ammonia into the water.

Detailed explanation-2: -Ammonia is the most toxic nitrogenous waste and is produced in aquatic animals such as fish. Ammonia requires a lot of water to be expelled from the body, and fish can easily eliminate it as they are surrounded by water.

Detailed explanation-3: -Fishes in water excrete ammonia as the major nitrogenous waste through gills, but gills of air-breathing fishes are modified for air-breathing or largely replaced by air-breathing organs.

Detailed explanation-4: -Ammonia gas dissolves easily in water to form ammonium hydroxide, a caustic solution and weak base. Ammonia gas is easily compressed and forms a clear liquid under pressure.

Detailed explanation-5: -Ammonia emissions can lead to increased acid depositions and excessive levels of nutrients in soil, rivers or lakes, which can have negative impacts on aquatic ecosystems and cause damage to forests, crops and other vegetation.