What type of relationship exists between the snake and the shrew? A. competition

B. predation

C. parasitism

D. mutualism

Carbon monoxide is the answer: )

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.

It would be c. because they are the same species. the definition for genus is a principal taxonomic category that ranks above species and below family, and is denoted by a capitalized latin name