Apomixis is the development of

Polyembryony is commonly observed in which of the following species?

Identify the biological terms for the following definitions/explanations:
$(i)$ All single-celled eukaryotes are placed under this kingdom.
$(ii)$ The process of seed formation without fertilization.

Despite a high level of heterozygosity,the progeny derived from the seed of a cross-pollinated plant was found to be completely uniform. One reason for this may be the phenomenon of:

In some species of family $Asteraceae$,seeds are produced without fertilization. This is called as:

In which species has adventive polyembryony been reported?