3.5 Symbiosis Flashcards
1
Q
Symbiosis
A
Co-evolved intimate relationships between members of two different species
2
Q
What are the types of symbiotic relationship
A
Parasitism and mutualism
3
Q
Describe a parasite
A
A parasite benefits in terms of energy or nutrients, whereas its host is harmed by the loss of these resources. Parasites often have limited metabolism and cannot survive out of contact with a host
4
Q
How can a parasite transfer to a new host?
A
Direct contact, resistant stages and vectors
5
Q
What do some parasitic lifecycles involve?
A
Intermediate (secondary) hosts to allow them to complete their lifecycle