When two groups of organisms
independently evolve similar adaptations,
it's called convergent evolution. Sharks and
whales both have streamlined bodies and
| tail flukes. How do we know that these
similarities are because of convergent
evolution? Hint: Whales are tetrapods. Are
sharks?

layer 3 is younger than layer 6.

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.