Answer:
Complex brain.
Explanation:
The cranial capacity of Homo sapiens are responsible for their successful adaptation on earth. They have the cranial capacity of around 1400cc.
The major environmental conditions has changed but the complex human brain has helped him to sustain and understanding the nature. Humans are successful to sustain on this earth due to their complex brain.
The reactants of photosynthesis are the products of respiration.
photosynthesis: CO₂ + H₂O → C₆H₁₂O₆ + O₂
respiration: C₆H₁₂O₆ + O₂ → CO₂ + H₂O
Solar, because they have mostly sunny days and very few clouds!
The fruit is where the seeds are stored, so they protect the seed until the conditions are prime. It provides the seed with nutrients and shelter, and then the seed is able to land somewhere, get fertilizer and grow into a plant of its own.