This period is interesting for the first evidence of sexual reproduction.

It is one of the many variations in sexual reproduction.

At the end of the season, when the weather gets worse, they use sexual reproduction.

What happens is basically the same as sexual reproduction in animals.

This allows continuous culture without the need for sexual reproduction.

Sexual reproduction is a common method of producing a new individual within various species.

Although sexual reproduction was suspected, no evidence exists of it.

The fruit is part of a plant's sexual reproduction cycle.

Animals may eat so much plant material that they prevent all sexual reproduction within a population.

They also originally were not capable of sexual reproduction but learned to do so on the original Earth.

Normal sexual reproduction can be restored by treatment with antibiotics.

In spring and early summer, sexual reproduction takes place.

Sexual reproduction begins early in the second spring as temperatures begin to rise.

About one third of species also have sexual reproduction.

Sexual reproduction first appeared about a billion years ago.

However, the worms switch to sexual reproduction during difficult times like the winter.

Sexual reproduction is a process that can only be found in eukaryotes.

The advantage of sexual reproduction over hermaphroditic is not so clear.

The basic reason for this is the way sexual reproduction increases the genetic variety in a population.

One such trait - sexual reproduction - was discussed in Chapter 3.

Sexual reproduction has never been observed in any Hildenbrandia species.

It has also been revealed that the 13th Tribe was capable of sexual reproduction.