Gemmule formation in sponges are useful in
asexual reproduction
sexual reproduction
parthenogenesis
parthenocarpy
A.
asexual reproduction
Gemmules are asexual reproductive bodies of. sponges. These are formed by endogenous budding in all fresh water and some marine sponges.
Sexual reproduction involves viable male and female gametes.
Development of egg into an adult without fertilization is called parthenogenesis. It is common in honey bees.
Parthenocarpy is the development of seedless fruits.
Sycon belongs to a group of animals which are best described as
multicellular with a gastrovascular system
multicellular having tissue organisation, but no body cavity
unicellular or acellular
multicellular without any tissue organisation
During its life cycie, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stages respectively
metacercaria and ceracaria
miracidium and metacercaria
redia and miracidium
cercaria and redia
Which one of the following animals lay eggs yet the female secretes milk?
Bat
Kangaroo
Platypus
Ostrich
