What early concept of cells was eventually disproved as a result of the research that led to the development of cell theory? A. The shapes and sizes of cells are related to their function. B. Cells are the most basic units of life. C. Cells are formed spontaneously from nonliving matter. D. The hereditary information of cells is contained in DNA.

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

The process of replication is the same for all living things because