parasitic

Example:The relationship between a tick and the animal it clings to is a classic example of a parasitic relationship.

Definition:A relationship in which one organism (the parasite) lives on or within another organism (the host) and benefits at the host's expense.

Example:Some parasitic plants produce specialized structures called haustoria to penetrate a host plant's tissues and extract nutrients.

Definition:A plant that grows attached to a living plant (the host) and draws nourishment from it rather than making its own food through photosynthesis.

Example:Many parasitic organisms can cause significant damage to their hosts, affecting the host's health and sometimes leading to death.

Definition:An organism that lives on or in a host organism and benefits from it at the host's expense.