Sea grasses are flowering plants which grow in the photic zones of marine environments. Which factor would be an abiotic limiting factor for sea grass growth? Water temperature
Concentration of dissolved nutrients
Amount of available sunlight
Density of the animal population(this one is incorrect)

After dinner with his brother, charles darwin looked through a book by thomas robert malthus, who believed that humanity, if unchecked, could double its population size in 25 years . why then , wasn't the earth overrun with humans at this point ? how does this relate to the stoning of the darwin's carriage?