Limiting factors of an ecosystem include disease, severe climate and weather changes, predator-prey relationships, commercial development, environmental pollution and more. An excess or depletion of any one of these limiting factors can degrade and even destroy a habitat.
For the second one it’s B or C, I dunno if phototropism is a real word cuz all the rest are vital.
Answer:
B
Explanation:
This is the answer that I think is correct
Microscopic particles are called atoms.