Which reproductive adaptation is characteristic of most terrestrial vertebrates but not of most aquatic vertebrates?
External fertilization
Internal fertilization
Motile gametes
External development
$A-$ Events after the formation of zygote are called post fertilization events
$R -$ In viviparous animals a young one develops out side the mother body
Calcium deficiency results in the formation of an egg with
Monoecious plants means.
Which is not bisexual animal ?
Which type of propagation is better for the plant