Platypus and echidnas.
Easy, the platypus.
Frogs
ya mum
Yes body lice lay their eggs in the body hair
platypus
They lay eggs (more lice)
No, it's not a good environment for their eggs. With all the chemicals most people have in their hair such as: shampoos, perms, dyes, hairspray, gels, oils, and greases... along with combing and brushing your hair its not a good place for gnats to lay their eggs.
Lice do not lay eggs in water. They typically lay their eggs, known as nits, on the hair shafts close to the scalp where it is warm and provides a suitable environment for the eggs to develop. Lice require a host, such as humans, to survive, and their eggs are adapted to cling tightly to hair rather than being laid in water.
A common example of something that has hair but doesn't lay eggs is a mammal, such as a dog or a cat. Mammals give live birth instead of laying eggs. Their bodies are covered in hair or fur, which helps with insulation and protection. Other examples include humans and other mammals that possess hair.
The platypus and echidna are egg-laying mammals and thus have fur. Most reptiles also lay eggs.
This could be a trick question. No other animal lays eggs in human hair while that hair is still attached to a human head, but hair that falls off or is cut off and blows away in the wind may be collected by birds and incorporated into their nests, where they will lay their eggs.
If your hair is clean, lice crawl up into your hair and start to live in your hair (like a hotel) and lay eggs.