In your psychology class, you learned about the famous case in which railroad worker Phineas Gage suffered a severe head injury. An iron rod he was using hit blasting powder, causing the rod to shoot up and through his head. Phineas Gage survived with his basic abilities intact, although his personality underwent a profound change. Phineas Gage's case BEST illustrates the idea that: the brain adapts its functioning in response to damage. new neurons are created after the brain has been damaged. damage to the brainstem can cause personality change. specific parts of the brain correspond to specific functions.

1. true.2. true.3. true.4. false.5. true.the concept of darwin's theory of evolution involves the idea that there are limited resources in a given living environment and that the organisms which live within have variations in their genetic make up due to random mating. the ones with beneficial genetic variations can express certain traits which give them an upper hand in surviving and reproducing in the said environment compared to ones who may have a more disadvantageous variation in traits. over time, the organisms with an upper hand will survive and reproduce more frequently and pass on their beneficial genes while the others die. the result is evolution, where we observe (usually, but not always) eventually, phenotypic distinct changes.

Although i don't know what is the simulated system, starfish are predators that eat mostly  microalgae,  snails, sponges, bivalves, mussels and other small marine animals. removing starfish from any system would definitely increase this animals that they prey.