WAEC - Biology (2007 - No. 23)
In which of the following organisms is parental care manifested?
Tilapia
Toad
Cockroach
Snail
Εξήγηση
The correct answer is A - Tilapia
Tilapia, a type of fish, exhibits parental care. Some species of tilapia are known to be mouthbrooders, where the parents (usually the females) carry eggs in their mouths until they hatch, protecting them from predators.
The other options do not typically exhibit parental care:
- Toads (B) typically lay eggs and abandon them.
- Cockroaches (C) do not provide parental care.
- Snails (D) usually lay eggs and do not care for their young.