Cuvier, lamarck, and erasmus darwin all shared an idea of evolution. however, what key feature did their ideas all lack, which charles darwin would later develop?

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

19. a cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. which phase of mitosis is the cell most likely in? a. metaphase b. prophase c. telophase d. anaphase