symbiosis Flashcards
What is symbiosis?
Co-evolved intimate relationships between members of two different species.
What are the types of symbiotic relationships?
Parasitism and mutualism.
Is knowledge of commensalism required?
No, knowledge of commensalism is not required.
What characterizes a parasitic relationship?
A parasite benefits in terms of energy or nutrients, whereas its host is harmed by the loss of these resources.
What is a characteristic of parasites?
Parasites often have limited metabolism and cannot survive out of contact with a host.
How do parasites transmit to new hosts?
Using direct contact, resistant stages, and vectors.
What do some parasitic life cycles involve?
Intermediate (secondary) hosts to allow them to complete their life cycle.
What is mutualism?
Both mutualistic partner species benefit in an interdependent relationship.
