Question

can u identify cases where self -fertilization is observed??????????????

Answer 1

Plants encourage self fertilization if their genotype is well suited for the environment or when there is absence of any pollinating agents.

Parasitic beings like Tapeworm self fertilise as they stay in host body for the whole life and can't look for a mate 

Snail , Fishes & Echinoderms self-fertilize in order to increase their number in short time and spending less energy & resources 

Answer 2

self fertilization/self pollination occur usually in plants whose flowers are closed ( cleistogamous flowers) eg in pea.

                                             Plants encourage self fertilization if their genotype is well suited for the environment or when there is absence of any pollinating agents like wind ,air

Parasitic beings like Tapeworm self fertilize as they stay in host body for the whole life and can't look for a mate  

Snail & Echinoderms self-fertilize in order to increase their number in short time and spending less energy and resources  

it may also occur in animals but its a rare phenomena in them .example in lower invertebrate Taenia self fertilization occur

please mark it as brainliest