He inferred that similar changes had happened in the past. Uniformitarianism combines the idea of gradual change over time with Lyell's observations that such changes have occurred at a constant rate and are ongoing.
Explanation:
The role of active cytotoxic T cells is to attack <u> </u><u>body cells that have been infected</u>
Do you still need this answered
I would think the answer is B.) All species share a common ancestor and that change occurs through time.
- I've recently went over this again with my teacher. I hope this helps! (:
