pigs
humans
Depends on the animal.
No, blood cells live the same lifespan no matter how old the human is.
Torteises.
yes
Almost every animal protects there babies.
No animal lives on the Antarctic continent.
Longevity - is the expected lifespan of an animal.
Human I believe
Usually rodents. Mostly Rats.
Every animal can reproduce and have babies.
No, there is no scientific evidence or documented cases of babies eating babies in the animal kingdom.