Answer:
They can be either of the same species (intraspecific interactions), or of different species (interspecific interactions). These effects may be short-term, like pollination and predation, or long-term; both often strongly influence the evolution of the species involved. A long-term interaction is called a symbiosis.
The theory of Continental Dift
B. Hydrogen bonds make the positive sides of water molecules stick to each other
Cool down more...................
