Arrange these structures in order of lower level of organization to upper level and write the level against each structure. neuron , nervous system , electron , man , mass of neuron , carbon , mitochondria , brain , protein

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

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 each cell organelle with its description.