A tick lives on a dog by biting into its skin and drinking the blood. The tick gains nutrients from the blood and also sometimes passes on diseases to the dog. The dog loses blood and sometimes gets a disease. What type of symbiosis is this considered?

Parasitism since one organism is benefiting and the other is being harmed

Parasitism is the answer to this question

Nocturnal birds of prey are owls. They feature a very large head, enormous eyes, asymmetrical ears, necks can rotate 270 degrees, their feet have two forward-facing toes and two backward-facing toes. You will notice that they also feature a very sharp looking beak that turns downward.