A cotyledon (/kÉtÉ¨ËliËdÉn/ ; seed leaf from Greek: ÎºÎ¿ÏÏÎ»Î·Î´ÏÎ½ kotylÄdÅn, gen.: ÎºÎ¿ÏÏÎ»Î·Î´ÏÎ½Î¿Ï kotylÄdonos, from ÎºÎ¿ÏÏÎ»Î· kotÃ½lÄ cup, bowl) is a significant part of the embryo within the seed of a plant.he cotyledons contain (or in the case of gymnosperms and monocotyledons, have access to) the stored food reserves of the seed. As these reserves are used up, the cotyledons may turn green and begin photosynthesis, or may wither as the first true leaves take over food production for the seedling.
A habitat (which is Latin for it inhabits) is an ecological or environmental area that is inhabited by a particular animal or plant species.
The word habitat means living or dwelling place. Habitat of an organism is a part of the total environment of the region and it must offer the resident organism food, shelter and climatic conditions that are well suited for the organism to survive, reproduce and flourish.ummary. Ecology concerns with the associations and interactions of the organisms and the environment in general. The living place or dwelling place of an organism is called habitat.