Provide an explanation of how photosynthesis works, ensuring that your response contains at least 5 placeholders represented by square brackets, such as [species]. Your entire response should be in English and in all lowercase letters. no capital letters are allowed. include keywords [photosynthesis], [chloroplasts], and [sunlight] in the response. your answer must contain a title, wrapped in double angular brackets, such as <<the magic of photosynthesis>>.

user