Some worms and some plants[flowers]
No.
there are no animals that reproduce asexually, they all reproduce sexually.
Teacup pigs reproduce sexually. All animals reproduce sexually. Only plants have the ability to reproduce asexually.
No, animals either reproduce sexually or asexually. In sexual reproduction, two parents are required and an offspring is born with inherited genes/characteristics of both parents. In asexual reproduction, only one parent is required to produce an offspring and that offspring has all the characteristics of the parent. Humans reproduce sexually, whereas single-celled organisms like amoebas reproduce asexually.
Sexually of course.
Animals reproduce sexually, where genetic material from two parents combine to produce offspring. This involves the fusion of gametes (sperm and egg) from two individuals to form a genetically unique offspring.
As they are animals they reproduce sexually.
No, not all animals have sperm. Amoebas and some other protists are technically animals but reproduce asexually instead of with sperm and eggs.
because its their nature
They reproduce asexually
No. Platypuses are mammals, and all mammals reproduce sexually, not asexually.
Animals either sexually reproduce or asexually reproduce. Animals who sexually reproduce have sex the same way that humans do. Animals that asexually reproduce have sex with themselves. This kind of sex happens inside the body. To learn more, visit Wikipedia.