Tìm kiếm
Fertilization
01
thụ thai, thụ tinh
the union of a sperm and an egg to form a zygote, which marks the beginning of sexual reproduction in organisms
02
bón phân, làm màu mỡ
making fertile as by applying fertilizer or manure
fertilization
n
Ví dụ
The haploid stage occurs in the life cycle of many plants and algae before fertilization.
Fertilization occurs when a sperm cell penetrates the protective layers of the ovum.
Plants may procreate through the exchange of pollen and fertilization of seeds.
Gametes, such as sperm and egg cells, are haploids that fuse during fertilization to form a diploid zygote.
In certain species of frogs, the male ejaculates directly onto the eggs to ensure fertilization.
