Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..
Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..
With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..