3.5 - Symbiosis Flashcards
(7 cards)
What is Symbiosis?
It is the co-evolved intimate relationship between members of two different species
What are the 2 types of symbiotic relationships?
Parasitic and Mutualistic
What type of relationship is a parasitic relationship and how does one benefit from it?
it is a +/- relationship where the parasite benefits in terms of energy and nutrients, whereas its host is harmed by the loss of these resources
Why can’t parasites survive out of contact with a host?
Since parasites have a limited metabolism, therefore they need a host to survive
How can parasites be transmitted to new hosts?
- Direct Contact
- Resistant Stages
- Vectors
Why do some parasitic life cycles involve intermediate (secondary) hosts?
To allow the parasites to complete their life cycle
What is a Mutualistic relationship?
It is were both mutualistic partner species benefit in an intermediate relationship