Which two statements did the work of Schleiden and Schwann add to the cell theory? A. Cells contain genetic material that consists of DNA.
B. All living things are made of one or more cells.
C. All cells come from other living cells. D. The cell is the basic structural and functional unit of life. PREVIOUS NEXT-

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?