Members of the kingdom Animalia are required to consume other organisms, whether it be a producer (grass, leaves etc.) to other organisms to obtain energy. Plants perform photosynthesis but are not in the Kingdom Animalia. Protista is the Kingdom that would most likely have organisms that can obtain energy by photosynthesis (Alge) and can consume or decompose for energy (amoebas).
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If your potatoes are dehydrated, it would be a good idea to use some tap water to make them firm before baking......I also would recommend adding sour cream, cheese, bacon bits, and chives after it's done cooking!!!!!!! Hope this helped!!!!