Discuss the case histories of three different species: one that has become extinct due to human activity, another that is critically endangered, and a third species whose conservation status has been improved by intervention.

SO LIKE I THINK DINOSAURS WENT EXTINCT CUZ, HEAR ME OUT, CUZ HUMANS WENT TOO CRAY AND KILLED THE DINOS WITH THEIR OWN ASTEROID THATS WHY NO ONE EVER FOUND THE CRATER SO THEN THE DINOS DIED AND THE ASTEROIDS KILLED THE HUMANS SO THEN IT STARTED THEM AGAIN SO ITS AN INFINITE LOOP

Explanation:

THEY DID THIS SO THE HUMANS WOULD NEVER EVOLVE ENOUGH TO BECOME TOO OP AND KILL ALL THE ALIEN HOMIES SO THEYRE STUCK IN A TIME LOOP FOREVER

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's