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.
The main function of the circulatory system is to move materials throughout the body, blood for cellular respiration, sugars for energy, leukocytes for immune support, and other nutrients necessary for proper homeostasis.
Solar, because they have mostly sunny days and very few clouds!
Answer: 4. Problem solver
Explanation: you're working to fix a known problem
