Question

Savanna ecosystems are tropical grasslands with warm temperatures year-round and are characterized by grasses, small and tall trees that are dispersed. Describe how an adaptation may have allowed giraffes to survive in savanna ecosystems. Then suppose a population of giraffes in a certain savanna thrives. More giraffes eat more leaves from the trees, until the trees that are closest to the ground are picked clean. Which giraffes would be most likely to survive in this changing environment? (help as soon as possible)

Answer 1

Savanna, is a biome, dominated by grasses. It exhibit dry climatic conditions. This biome receives very little rain fall. The tree population is scanty in this biome. The Savanna biome is found in Australia, Africa, South America and India. The giraffe is an animal that feeds upon leaves, fruits and pods of tall Savanna trees. The giraffe is tall enough to reach the highest branches of the trees.

As, in the given situation, more giraffe feed upon the leaves of the trees closest to the ground until all the leaves or vegetation of the ground and closest to the ground cleans up. Members of the population which have taller neck will be able to thrive leaves growing at the top of the tree canopy. This feature is called as natural selection. This involves the survival of the individuals, which have traits suitable for changing environment. The giraffe which have comparatively long neck will have better advantage for survival than the others in situations of scarcity of food.