grass grows naturally it uses the weather to grow
if trees were to grow under other trees , there would be a a mixture in the roots of the trees ,which will make it impossible for the trees to grow properly....i think that is why trees tend not to grow under other trees...
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Grasslands do not have many large trees for multiple reasons first of all there is a low moisture level in grasslands for trees to grow, but if a river or stream runs through a grassland trees may grow around it. Also there are no warm times in grasslands it goes from hot right to cold, there is little to no time where trees can grow in a warm climate there. Another reason is that grazing of animals prevents trees and shrubs to grow because they are either trampled or eaten by the animals grazing there. One more way is that if a grassland has a fire it will burn the trees that grew and kill and trees that are trying to sprout.
Trees require more consistent water than grass. Sometimes you will see a tree in a desert - if it has a water source underground to pull from. In grasslands you will see trees congregate near water sources - again more consistent water.
A treeless plain where grasses and moss grow is called a grassland or a tundra. Grasslands are characterized by vast stretches of grasses with few or no trees, while tundras are cold regions where mosses and grasses are the dominant vegetation due to harsh conditions for tree growth.
A region where tall grasses grow is known as a grassland or savanna. These areas are characterized by vast open spaces with few trees, allowing sunlight to reach the ground and support the growth of grasses. Grasslands are typically found in regions with moderate rainfall, such as the prairies of North America or the savannas of Africa, and they provide habitats for various wildlife species.
Mostly grass and trees.
Grasslands typically have a shallow soil layer due to frequent fires and grazing, limiting the depth of tree roots. The competition for sunlight and resources with grasses and other vegetation also hinders tree growth in grasslands. Additionally, grasslands tend to have lower moisture availability, which may not support the water requirements of trees.
Trees in grassland biomes do not grow well because of the limited water availability, frequent fires, grazing by herbivores, and poor soil quality. These factors inhibit tree growth and favor the dominance of grasses and other vegetation better adapted to these conditions.
Grass usually needs a lot of sunlight, therefor it is not extremely common in tropical rainforests. Small amounts of long grasses may grow along bodies of water in a rainforest. Also, there are natural clearing in all jungles, and grasses thrive here. Bamboo is quite common in jungles worlwide, and it is considered a grass.
Grasses and Acacia trees
Grasslands typically have a combination of factors that limit tree growth, such as low rainfall, poor soil quality, and frequent fires. Grasses are better adapted to these conditions than trees, allowing them to dominate the landscape. Additionally, grazing by herbivores can also prevent tree seedlings from establishing.