They secret a poison through glands under their skin.

the rainforest

According to the 'dietary hypothesis' frogs eat fire ants and sequester the toxins as a protective measure: that is why they are poisonous. In captivity, when they have a different diet, they aren't poisonous.

Frogs are cold blooded. But depending on the temperature outside the frog will be that temperature. So if it's hot outside the frog will be too.

Poison dart frogs eat mostly spiders and small insects, such as ants and termites, which they capture with their long, sticky tongues from the forest floor. They have excellent vision, so it's easy for them to see the insects.

Poison frogs are creatures of great scientific interest to biologists. The frog's intriguing ability to resist, store, and manipulate toxins, along with its role in the food chain pose many important questions in the study of food-chain evolution. Biologists have speculated that the frogs may have first evolved a resistance to the alkaloids in their food sources. Their ability to digest toxic foods may have allowed them capitalize on unwanted supplies of foods.

Dendrobates azureus exudes a toxic secretion like the other members of its family. None of the frogs make the poison they "wear" on their skins but get it from what they eat. Of the variety of insects and such in their diets, it is the ants and mites that actually manufacture and carry the toxins - until the frog eats them and "borrows" their poison. Wikipedia has more information, and you've got links.

There are about 220 species of Poison Arrow Frogs. Most species of Poison Arrow Frogs are not toxic to animals and humans. However, more than 100 toxins have been identified in the skin secretions of some Poison Arrow Frogs.!!!!!!!!!

2 micrograms of poison can kill around 2,200 people. WOW!

pretty fast

no they arent because they are herbivores!
yes offcourse

The general term is "cobra venom". If you want a more specific term you need to be more specific about the particular species of snake you mean.

Yes and they come in various colors as well. Their base skin is black, and is highlighted by bright greens, blues, orange or red.

These little frogs are easily recognized by their blue color, which is generally darker on the limbs and belly and overlaid with black spots or patches, especially on the head and back.

As their name implies, poison dart frogs can release toxins from the skin that are distasteful and potentially lethal to would-be predators. Three very toxic species of poison dart frogs from Colombia and South America are utilized by Indians to poison the tips of blowgun darts.

Blue poison dart frogs are active during the day and can be found hiding among boulders and debris near streams; however, they lack toe webbing and are poor swimmers, so they are never found in the water.

one and a half meters

Yes they are very endangered

legs and feet

many times, when they are adults, they reproduce.

The female AFRICAN DWARF FROG lays the eggs