What causes lactic acid to build up in muscle cells? A. The cells receive excess oxygen than the body takes in. B. Cells use oxygen move quickly than the bloodstream can supply it. C. The cells do not receive enough glucose from the bloodstream. D. The cells are resting and not active.

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.

Drag the tiles to the correct boxes to complete the pairs. match wach fossil with the layer where it’ll be present based on these condition