False
The diseases, announced by Dr. Stig Froland, Dr. Paul Jenum and associates, shows that AIDS happened in disengaged occasions far and wide some time before general wellbeing authorities saw it years back.
In the Norwegian case, a mariner conceived in 1946, was first observed by Dr. Froland in 1966. He experienced general swelling of the lymph organs, respiratory diseases and different other health issues. Both his wife and child has complications as well from the ailment and all members of the family passed on in 1976.
A Sperm attaches to an Ooctye
Answer
Just think critically about why (if you were an egg laying species), having a fetus/baby develop inside of you would be advantageous.
For one, eggs are much less protected from outside factors such as predators, temperature, etc than live birthed creatures. Live birth provides protection inside the mothers body from things such as heat, cold, moisture, predatory animals, etc. An egg laying animal must keep its eggs at a perfect temperature and check to make sure no other animal has eaten them.
Antisocial attitude
depression
mood swings
social anxiety
those are the only things I could think of..