yes
They may have been a hunted species, or maybe there enviorment is being destroyed. Mostly mankind does it.
The people who don't care about their animals
Because people put poison on their plants and animals would eat the plants and eagles would eat the animals and be poisoned.
because you know some animals are extinct . that's because they live in the wild. but mostly dodos are nonsensitive animals that are paranormal. well,dodos were extinct for 8-70 years. some extinct animals die after christmas.
Animals that are extinct from the earth are animals that used to live on the earth but are all dead now. Endangered animals are almost extinct.
By important you mean almost extinct important or just important. Because i believe every animal is important
An extologyst.
Black-Footed ferret was the animal in Utahwas almost extinct because of fur traders
None. "Animal testing" is done almost exclusively on very, very common animals, like rats.
Penguins are almost extinct because of the following: -melting of glaciers due to greenhouse effect -overhunting,and -pollution
Almost all animal rights activists are adamantly against testing drugs on animals.
pandas are the closest to extinction there is only 300 of them left.