apex predator Noun species at the top of the food chain, with no predators of its own.
bank Noun a slope of land adjoining a body of water, or a large elevated area of the sea floor.
bay Noun body of water partially surrounded by land, usually with a wide mouth to a larger body of water.
biome Noun area of the planet which can be classified according to the plant and animal life in it.
bivalve Noun type of animal (mollusk) with two shells hinged together, such as a clam or mussel.
bottom-up trophic cascade Noun ecological phenomenon in which a producer or primary consumer is removed from the environment.
captive breeding Noun reproduction of rare species controlled by humans in a closed environment, such as a zoo. »