Are high biodiversity systems more fragile then low biodiversity ones?

Which ecosystem has high biodiversity low biodiversity?

tropical rain forest

Example of ecosystem with low biodiversity is definitely a desert. Then there are cold deserts in Antarctica and Gobi basin of central Asia, where biodiversity is minimum. Example of ecosystem with high biodiversity is tropical rain forest as seen in Amazon basin of south America

Explanation:

producers: apple trees, potatoes, carrots, grains, acorns, cabbage, grass, corn, lettuce

consumers: deer, mice, rabbits, chickens, squirrels, horses, worms, cows

predators: eagles, frogs, wolves, owls