Listed below are characteristics that serve as evidence of shared ancestry between fish and reptiles. Select the option that applies only to embryos rather than adults (1 point) Ogill slits that turn into gills
O hatch from and lay eggs
O scales as a form of skin
Ospines and tails

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.