Search results
Results from the WOW.Com Content Network
The pygmy mammoth is an example of insular dwarfism, a case of Foster's rule, its unusually small body size an adaptation to the limited resources of its island home.. A biological rule or biological law is a generalized law, principle, or rule of thumb formulated to describe patterns observed in living organisms.
A student found a similar pattern for mammals. This implies a community regulation of absolute fitnesses, if one accepts my heretical (ecological) view of the nature of fitness; (3)The actual levels of selection in the current rapid evolution of our own species differ from standard concepts and are generalizable; (4) Charles Lyell used (real ...
Animals including insects [202] and mammals [210] feature in mythology and religion. The scarab beetle was sacred in ancient Egypt , [ 211 ] and the cow is sacred in Hinduism . [ 212 ] Among other mammals, deer , [ 210 ] horses , [ 213 ] lions , [ 214 ] bats , [ 215 ] bears , [ 216 ] and wolves [ 217 ] are the subjects of myths and worship.
This article lists film and television works which feature or discuss the environment, environmentalism or environmental issues.. Some notable and commercially successful films have featured environmental themes [1] and are commemorated through several environmental film festivals held annually.
Our Planet is a British nature documentary series made for Netflix.The series is narrated by David Attenborough and produced by Silverback Films, led by Alastair Fothergill and Keith Scholey, who also created BBC documentary series Planet Earth, Frozen Planet and The Blue Planet, in collaboration with the conservation charity World Wildlife Fund (WWF).
This makes up the third level in the food chain. A fourth trophic level can consist of predatory fish, marine mammals and seabirds that consume forage fish. Examples are swordfish, seals and gannets. Apex predators, such as orcas, which can consume seals, and shortfin mako sharks, which can consume swordfish, make up a fifth trophic level.
In zoology, mammalogy is the study of mammals – a class of vertebrates with characteristics such as homeothermic metabolism, fur, four-chambered hearts, and complex nervous systems. [1] Mammalogy has also been known as mastology , theriology , and therology .
An ecoregion (ecological region) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm. Ecoregions cover relatively large areas of land or water, and contain characteristic, geographically distinct assemblages of natural communities and species .