- It feeds on another organism called prey.
- Predator is larger and stronger than the prey.
- It kills the prey.
- Predator feeds on killed prey.
- Predator comes in contact with prey for catching and eating.
- In predator-prey relationship the stronger organism is benefited.
- Adults or young may be predatory. In a number of cases the young are predatory but the adults are not.
- Parasite does not immediately kill the host though the latter may die of prolonged exploitation.
- Parasite may feed over the host from outside or inside.
- It may have temporary or permanent contact with the host.
- Host specificity is more common in the parasite.
- Many parasites have hooks, claws or suckers to attach to their host.
- Both adults and young can be parasitic. In some cases the young are parasites but the adult is not.
- A parasitoid is an organism that has young that develop on or within another organism (the host), eventually killing it.