Examlex
The head of a sperm consists of the___________ and a cap of hydrolytic enzymes called the
acrosome.
Prothallus
The gametophyte stage of ferns and some other non-seed vascular plants, typically small, green, heart-shaped, and bears the reproductive organs.
Gametophyte
The sexual form (haploid phase) in the life cycle of plants and algae that produces gametes through mitosis.
Ferns
Non-flowering vascular plants that reproduce via spores, possessing large, divided leaves.
Zygote
The initial cell formed when a new organism is produced by sexual reproduction, created by the union of sperm and egg.
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