Fossils allow scientists to determine when and for how long a certain species lived. what can scientists deduce from this discovery? a. the food sources that were available b. earth's life has changed over time c. explain how earth remained unchanged d. which fossils are heavier

What is the relation ship between structure and function in an organism

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

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