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Which statements about the two fossil images are correct? 1. cave bears are ancestors of plateosaurus. 2. plateosaurus were present on earth before ostracoderms. 3. ostracoderms were the first to die. 4. plateosaurus died after the ostracoderms. 5. cave bears are the oldest fossils.

What did pavlov initially notice about the animals in his original research after conditioning took place?

The arid climate region is labeled with the letter on the map above. a) b.. b) c .. c) e .. d) f.