Genetically, a hermaphrodite is someone who has two x and one y chromosome.
Physically, a hermaphrodite is someone who is a mix between male and female, usually having a penis, a vagina and full breasts.
it is a person or an organism with male and female organs.
An hermaphrodite is an animal or plant having both male and female reproductive organs.
Parthogenetic. Aphids are an example, there are many. There are also hermaprodite species, each individual has both male and female functions.
males have pouches while females don't. the pouches are for carrying the female's eggs.
There are lots of positions. See "Kama Sutra" by searching on the internet for this term. It is an ancient Hindu book with illustrations on how couples unite with their bodies in a relationship.