Sexually, just like people.
Heterosexual
"Produce offspring" means, quite simply, to have babies.
Elephants and humans produce low numbers of offspring. Organisms that produce low numbers of offspring produce offspring that are most dependent on the mothers.
No, organisms of different species can breed and produce offspring. Donkeys and horses can breed and produce mules but mules cannot produce offspring.
a group of similar organisms can produce offspring
Sexually, just like people.
The offspring must be able to produce young.
A bulldog is a dog and can mate a dog to produce offspring .
A species.
Koalas produce a single offspring, just once a year. On rare occasions, they may produce twins.
To have babies
Koalas produce a single offspring, once a year. On very rare occasions, they may produce twins.