What is the role of a control group in any experiment? to form a theory to compare data

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

The cluster of developing cells from conception until birth is called an

Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. because of this, we would expect osteoblasts to contain numerous a) nuclei. b) ribosomes. c) lysosomes. d) golgi bodies.