Which of these statements is true about autotrophs, but not heterotrophs? -They use sugar and oxygen to make carbon dioxide and water.
-They use chlorophyll and oxygen to make carbon dioxide and water.
-They use sunlight, water, and carbon dioxide to make sugars.
-They use sunlight, water, and oxygen to make chlorophyll.

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

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

Mitosis creates two identical daughter cells from one parent cell creates four nonidentical daughter cells from one parent cell is the most common type of reproduction for bacteria is the process by which male and female reproductive cells are created