Yes! A recent example could be babies that do not survive child birth for a certain reason, are obviously unable to pass on whatever caused them to die in the first place.
Also, once humans started to domesticate cows and drink their milk (I'm not sure why humans drink a cow's milk) their bodies evolved to continue making the enzyme to digest milk even after they were weaned off their mothers milk. Many people of Asian descend do not have this enzyme, since their culture did/does not raise as much dairy product.
Answer:
It is true
Explanation:
The aerobic exercises produce an acceleration in metabolic process. To obtain the necessary energy to do them, the body start to use the carbohydrates. After transforming these carbohydrates into energy, if the body is still in movement, to continue producing energy, the body will continue with the lipids present in the body. In this way, doing aerobic exercises, the carbohydrates and lipids that was used, reduces the volume (and mass) of tissues, in general, from all the body.