How would you demonstrate that all cells come from preexisting cells? a. using a microscope observe a single-celled bacterium

b. observe a bacterium performing binary fission to form clones of itself

c. collect an algae sample and observe it move toward light in a container

d. observe a nerve cell carrying a message to another cell

your answer is rna to the question.

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.