1. The need for and the production are two characteristics of living things. 2. Many of the cell’s organelles have folds in order to maximize (2 words).

3. Cell theory states that all cells come from cells.

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

sorry, is there a picture? i do not see any arrows.

wut? unius0123 wut?

which fault and or fold did you find most difficult to diagram