Why is grafting used in agriculture? Plants are uniform and more vigorous
Size of plants is controlled by grafting
Control of loss easier by grafting
Can use weaker root stock when grafting to stronger plant
Some plants may survive generations only by grafting
Valuable fruits and flowers can be grown on strong stock

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.