How can unregulated cell division be problematic to an organism?

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

Drag the correct tiles to the image. not all tiles will be used. the diagram is a schematic representation of the electron transport mechanism in mitochondria. label the diagram to complete the model.

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?