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Multicellular Kingdoms Fungi cells Plants Animals eukaryote; cell wall of chitin, no chloroplasts, few mitochondria eukaryote; cellulose cell walls, chloroplasts, few mitochondria eukaryote; no cell walls, no chloroplasts, many mitochondria energy source absorptive heterotroph photosynthetic autotroph heterotroph metabolic rate low low high to very high nutrient requirements organic & inorganic nutrients inorganic nutrients organic & inorganic nutrients tissues none dermal, vascular, ground epidermal, connective, muscular, nervous organs & organ systems none vegetative organs: roots, stems, leaves reproductive organs: capsules, sori, cones, flowers, fruits spore projection, predatory loops & rings rapid leaf movements; transport in vascular tissue, sperm, tropisms numerous organs collected into organ systems: skeletal, musclular, digestive, respiratory, circulatory, excretory, reproductive, etc. voluntary muscular activity: walking, running, flying, digging, swimming, etc involuntary muscular activity: heartbeat, internal organs, etc cell to cell chemicals hormones reproduction sexual & asexual spores asexual: spores sexual: sperm & egg, pollen hormones and nervous system & senses asexual: budding, fission, fragmentation, polyembryony, etc sexual: egg & sperm development direct embryo in seed embryos, nymphs, larvae, fetus, etc movement coordination & control