Which of the following are the carriers of male gametes in seed plants ?
Vegetative cells
Microspore
Tapetum
Pollen grain
Which is not bisexual animal ?
........and..........is example showing external fertilization
Which reproductive adaptation is characteristic of most terrestrial vertebrates but not of most aquatic vertebrates?
$(a)$ In both plants and animal, have three phases during their life cycle.
$(b)$ In plant and animal, hormones are responsible for the transitions between the three phase.
Select the incorrect sentence for post fertilization event.