In a series of rock layers, a geologist finds fossils of a lizard-like dinosaur and a fern-like tree in layers that are 1.0 m and 1.5 m deep. however, in a layer that is 2.0 m deep, he finds fossils of bony fish and shellfish. which explains his findings? a. the ancient sea dried up and became land. b. the ancient land area was invaded by a sea. c. an asteroid hit the area, causing the dinosaur to become extinct. d. the continent shifted to a polar region.

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

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.