Some frogs are green

Three types of pigment cells, called chromatophores, work together to make a frog green. The chromatophores stack on top of each other. Melanophores make up the ... continue reading

Species diversity

Species diversity is the number of different species that are represented in a given community (a dataset). The effective number of species refers to the number of equally abundant ... continue reading

Carnivorous

A carnivore/ˈkɑːrnɪvɔːr/, meaning “meat eater” (Latin, caro, genitive carnis, meaning “meat” or “flesh” and vorare meaning “to devour”), is an animal whose food and energy requirements derive solely from animaltissue or meat, whether through hunting or scavenging. Animals that depend solely on ... continue reading

Amphibians

Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia. All living amphibians belong to the group Lissamphibia. They inhabit a wide variety of habitats, with most species living within terrestrial, fossorial, arboreal or freshwater aquatic ecosystems. Thus amphibians ... continue reading

Frogs

A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura (literally without tail in Ancient Greek). The oldest fossil “proto-frog” appeared in the early Triassic of Madagascar, but molecular clock dating suggests ... continue reading