Bapak teori organik ialah Dr Henry Chang menyatakan makanan organik adalah produk pertanian yang bebas dari sebarang bahan kimia.Organic bermaksud "berasal dari tanah" dan memiliki kandungan gizi yang lebih baik.Makanan organik diperbuat mengikut piawaian pengeluaran tertentu, iaitu ditanam tanpa penggunaan racun perosak dan baja buatan manusia, bebas dari pencemaran akibat sisa manusia atau industri,
They are called Polygenic Traits and height is an example.
Meiosis: A type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores.
<span>Mitosis:<span> A type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.</span></span>
<span>Heredity: T<span>he passing on of physical or mental characteristics genetically from one generation to another.</span></span>
<span>In a balanced ecosystem, the number of secondary consumers must be fewer than the number of primary consumers.
In a balanced ecosystem, the number of producers is ALWAYS the largest. As the trophic levels increase, the number of organism decrease, so primary consumers are less than producers, secondary consumers are less than primary consumers, and so on.</span>
