A leech attaches to an animal in feeds of the animals blood what happens to the animal the leech attaches to in this scenario?

Which of the following organisms are capable of self-fertilization? a.plants b.tigers c.humans

There are two tomato plantlets one of them is kept in an oxygen chamber with a light source and another is kept in sunlight. both of them are watered regularly what will be the observation after two weeks

Aclient experiencing hallucinations tells a nurse, "the voices are telling me that i am evil." the client asks whether the nurse hears the voices. what is the most appropriate response by the nurse