A species of flower produces white and red flowers, but the red flowers are more easily spotted by pollinators. If a new species of insect that likes red flowers moves into the habitat, what do you expect would happen to the flower population?

What's the question?

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.

Yes yes yes very good

The answer is b) gene