Identify the following figure and select the correct option
Chara
Marchantia
Sweet potato
Ophioglossum
What is the major disadvantage of external Fertilization ?
$A-$ Events after the formation of zygote are called post fertilization events
$R -$ In viviparous animals a young one develops out side the mother body
Which type of propagation is better for the plant
The animals which lay fertilized or unfertilized eggs and whole development takes place outside the body of mother are called
Why the chances of survival of young ones is greater in viviparous ?