DEFINITIONS+OF+REPRODUCTION+FUNCTION

GAMETE. Each of the special cells involve in sexual reproduction. There are two types: male and female. ZYGOTE: The cell resulting from the union of the two types of gametes, which then develops into a new individual. PAGE 50: SPORE:It is a cell surrounded by a hard protective cover and is resistant to hard environmental conditions. //It is capable of growing into a new organism// STEM CUTTING: It is a portion or fragmennt of the mother plant capable of creating a new plant ||  || NECTAR. A sugary substance produced by the flowers of certain plants in order to attract insects. SELF- POLLINATION. When pollen grains are transported from the anthers of a flower to the stigma of the pistil of the same flower. ||  || FRUIT. Engorged (enlarged, dilatado), mature ovary after fertilisation. The seed is contained inside. SEED. Fertilised, mature ovule containing the embryo. ||  || COLONY. Group of genetically identical individuals which remain attached to each other and act in a coordinated manner for the good of the group; sometimes, certain individuals specialise in performing a particular function within the colony. REGENERATION. The ability of some animals to regrow certain body parts that may have been lost or damaged. PAGE 57 SEXUAL DIMORPHISM: It refers to the visual differences between male and female (their size, shape or colour). GENITAL DUCTS: They are the channels that connect the gonads with the exterior. GONADS: The reproductive organs of females (ovaries) and males (Testicles) ||  || HERMAPHRODITE. Individual with both male and female sexual organs. VIVIPAROUS. Animal in which the embryo develops inside the mother´s uterus and feeds through the placenta. POLLINATION. The transfer of pollen grains from the anthers of one flower to the stigma of the pistil of either that same flower or a different one. SPORANGIUM. Special organ where spores are formed which is found in some plants, such as ferns. BUDDING. Asexual reproduction process ocurring in some animals by which a new individual is formed from a bud which appears on the surface of the parent. ||  ||
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