What is a good Controlled Experiment idea, Besides Plants & sun and Pennies & Cleaning.

The asian shore crab (hemigrapsus sanguineus) is an invasive species that has impacted the atlantic coast. predict what characteristic of this invader would most likely disrupt the biodiversity of this area.

What causes darkening of the skin as melanin production increases

Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material