Answer:
B. a food chain
Explanation:
Food chain: a hierarchical series of organisms each dependent on the next as a source of food.
Answer:
a deoxyribose (5-carbon sugar), a phosphate group, and a nitrogenous base (Figure 9.3). So the third option.
Both of its parents must have had a t gene
Answer:
example of active transport is the sodium-potassium pump, which moves sodium ions to the outside of the cell and potassium ions to the inside of the cell.