During which phases of mitosis are chromosomes composed of two sister chromatids.

‘all monkeys have tails’ is an absolute statement. t or f

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.

Essay questions may also be referred to as a. talk questions c. hard questions b. explain questions d. think questions