sponges are exposed to far more adverse and variable environmental conditions, and therefore they have developed
gemmule s as a means of dormancy.
Kaynak: SpongillaThe population of Thirlmere Lakes National Park is highly unusual in that the sponges there do not produce
gemmule s, which suggests
Kaynak: Radiospongilla sceptroidesAnother form of asexual reproduction takes place, possibly in response to stress, when
gemmule s form as rounded stubby outgrowths from
Kaynak: Obelia longissimaSimilarly in asexual reproduction amoebocytes result in the formation of
gemmule s which are cyst-like spheres containing more
Kaynak: Archaeocyte