Question

Phyllobates bicolor and dendrobates pumilio are
A.Grass hoppers
B.Stick insects
C.Butterflies
D.Dart frogs

Answer 1

Hint: Phyllobates bicolor is a yellow and orange-colored organism whereas dendrobates pumilio which is also known as oophaga pumilio is a reddish-pink colored organism and both of them are very poisonous and toxic organisms.

Complete answer:
1.Phyllobates bicolor and dendrobates pumilio both are examples of dart frogs.
2.Group of frogs belonging to the family Dendrobatidae are known to be very poisonous and toxic and they are known as poison dart frogs or poison-arrow frogs.
3.Dart frogs are mostly bright colored frogs and the toxicity of these frogs varies among different species and this coloration is considered as a warning sign for predators, this feature of dart frog is also known as aposematism also the male frogs have comparatively brighter colored body.
4.Dart frogs are mostly found in moist and humid environments and are commonly found in South American regions.
5.Alkaloids are responsible for the bright coloration of these dart frogs.

Option D: Phyllobates bicolor and dendrobates pumilio are both examples of poisonous dart frogs. Therefore, this is the correct option.

All other options are irrelevant.

Hence, the correct answer is option (D)

Note: 1.The toxic substances obtained from these dart frogs were used by the Americans to poison the blowgun, hence these frogs were named poison darts.
2.The color of dart frogs can also indicate the toxicity of the frogs. Brightly colored frogs are considered to be most toxic whereas the light-colored frogs were comparatively less toxic.