Dynamics behind ecosystems revealed

Dynamics behind ecosystems revealed (Science Daily)

1. Why is temperature a decisive factor in food chains?
2. Which ecosystem is compaired to the Arctic by researchers?
3. Where is the tundra located?
4. what countries did researchers pull data from to study the food chains

Loss of Large Carnivores Poses Global Conservation Problem

Loss of large carnivores poses global conservation problem (Science Daily)

1. African lions occupy what percent of their original range?
2. More than 71% of the ______ large carnivore species are declining. (fill in the blank) 
3. What big cats does the articles mention?
4. Why do big cats deserve to exist? whats the point of saving them?