*EXTRA PTS* How much weight is needed for a 5 m high ball to achieve 80 J of potential energy?

Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consisting of small bacteria. how can the student demonstate the theory of endosymbiosis using the models

How do the evolutionary chart and the video support the claim that all living things are made up of cells?

Fill in the blank with the correct sphere label. a: ⇒ geosphere b: ⇒ biosphere c: ⇒ hydrosphere