Answer:

A. Butterflies - While the vast majority of butterfly and moth species engage in sexual reproduction, at least one species – the mulberry silkworm (Bombyx mori) -- is capable of asexual reproduction.

B. Dogs - dogs reproduce by the method of sexual reproduction.

Sexual Reproduction is the production of a new organism from two parents by making use of their sex cells or gametes.

Asexual reproduction is a type of reproduction that does not involve the fusion of gametes or change in the number of chromosomes.