Tapeworms live inside the intestines of other animals. The worms grow to a few feet long. is it parasitism, predator-prey, commensalism, mutualism?

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

What is turgor pressure, what causes it, and what does it do for a plant?

Which direction does the energy flow in this energy pyramid ?