ecosystems

Detritivores in the desert are organisms that consume and break down dead organic material, such as fallen leaves, dead plants, and animal remains, in arid environments. By frag...

The walrus food web centers on large marine mammals that link ocean and coastal ecosystems. Walruses are apex foragers in Arctic waters, consuming a wide variety of benthic inve...

A forest ecosystem is a complex community of organisms—trees, understory plants, fungi, invertebrates, and vertebrates—interacting with soil, water, and climate. These habit...

Black spruce taiga is a biome‑defining forest of the far north, dominated by Picea mariana on wet, often nutrient‑poor soils. It forms a vast circumpolar belt in the boreal...

Tertiary consumers occupy the upper levels of food webs by feeding on secondary consumers, which are themselves carnivores or omnivores that eat primary consumers (herbivores)....

A primary producer in the food chain is an organism that can manufacture its own food from inorganic substances, usually using light or chemical energy. By converting energy int...

The chaparral biome is a shrubland ecosystem defined by dense, evergreen, and sclerophyllous vegetation adapted to long, hot, dry summers and mild, wet winters. Also known as Me...