I need help in biology questions please G10?

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

Now it's your turn to investigate human impact around the world. grab your virtual lab coat and put on your environmental science hat. you will be taking a trip around the globe to explore three locations. at each location, you will investigate the cause and effect relationships of deforestation, desertification, and urbanization. you will also gather evidence of how these factors have impacted the environment over time

Why would a drug the damages capsids treat a viral infection