Cuscuta (Amarbel) is a total stem parasite that grows on a number of plants like Citrus, Duranta, Zizyphus, etc. It sends a number of haustoria into the host. Xylem and phloem of haustorium make connection with sap and food channel of host.
Predation is an interaction in which member of one species capture, kill and eat up member of other species. Example insectivorous plants. Endoparasite lives inside the host body.