1. Which of the following organisms lays its eggs in water?
Answer: A
A mosquito lays its eggs in water.
Mosquitoes are known for laying their eggs in stagnant or slow-moving water, making them a common species associated with aquatic environments.
A) Mosquito
This option is correct because mosquitoes specifically require water for their breeding cycle. Female mosquitoes lay their eggs on the surface of water, which is crucial for the larvae to develop.
B) Duck
Ducks do not lay their eggs in water but rather on land, often in nests made from grass and reeds near water bodies. While they may frequent water, their egg-laying behavior is terrestrial.
C) Raccoon
Raccoons are terrestrial mammals that do not lay eggs at all. They give birth to live young and typically make dens or nests on land, away from water bodies.
D) Sea turtle
Although sea turtles do interact with water, they lay their eggs on sandy beaches rather than in water. After nesting, they return to the ocean, but the eggs themselves are buried in sand and not laid in water.
Conclusion
The choice of a mosquito as the correct answer is definitive, as it is the only organism listed that lays eggs directly in water. Other options either do not lay eggs or lay them in environments that are not aquatic, reinforcing the unique reproductive behavior of mosquitoes.