منابع مشابه
Developmental plasticity in plants.
As sessile organisms, plants are unable to seek out environmental conditions optimal for their growth and development but instead must complete their life cycles in the environment in which they are growing. However, plants are remarkably plastic, such that a single genotype is able to give rise to a wide range of phenotypes. Developmental plasticity has profound implications for plant evolutio...
متن کاملSexual selection in plants
what I was convinced is important. As the future is notoriously hard to predict, my advice would be not to follow the latest fashion but rather to follow your interest, what you are convinced of as being the most fascinating questions to be answered and the right methods to accomplish this, because what you are convinced of is what you will like doing, and what you like doing is where you will ...
متن کاملApplication of Delphi method in site selection of desalination plants
Given the reduced freshwater supplies across the world, seawater desalination is one of the appropriate methods available for producing freshwater. Selecting an optimal location is crucial in the installation of these plants owing to the environmental problems they cause. The present study was conducted to identify optimal locations for installing desalination Plants in the coastal areas of sou...
متن کاملDistinct Developmental Mechanisms Reflect the Independent Origins of Leaves in Vascular Plants
Vascular plants diverged more than 400 million years ago into two lineages, the lycophytes and the euphyllophytes . Leaf-like organs evolved independently in these two groups . Microphylls in lycophytes are hypothesized to have originated as lateral outgrowths of tissue that later became vascularized (the enation theory) or through the sterilization of sporangia (the sterilization hypothesis) ....
متن کاملEvolution of developmental potential and the multiple independent origins of leaves in Paleozoic vascular plants
—Four vascular plant lineages, the ferns, sphenopsids, progymnosperms, and seed plants, evolved laminated leaves in the Paleozoic. A principal coordinate analysis of 641 leaf species from North American and European floras ranging in age from Middle Devonian through the end of the Permian shows that the clades followed parallel trajectories of evolution: each clade exhibits rapid radiation of l...
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ژورنال
عنوان ژورنال: Botanical Gazette
سال: 1922
ISSN: 0006-8071
DOI: 10.1086/332991