Classify amoeba to species level

What adaptation is apparent in the bodies of the three tortoise species shown in figure 16-2

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite