2 ports
2) Bamboo is a type of grass. In the wild, pandas cat barnboo almost
exclusively. For this reason, the availability of bamboo is a significant
limiting factor on the panda population. Which type of lirniting factor is
bamboo?"
density independent limiting factor
O
carrying capacity
O
overgrowth limiting factor
density dependent limiting factor

According to edgenuity, the answer is c.

By water evaporation from the leaves is created a negative pressure at the top of the tree that promotes the ascension  of the water through channels that are called xylem. there are also two molecule forces that are involved: the intra-water molecules cohesion (water molecules stick to each other) and the adhesion when the water molecules stick to the channels they are running in. this is what enables water to go from the roots to the top of a tall tree.

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.