level: Symbiosis
Questions and Answers List
level questions: Symbiosis
Question | Answer |
---|---|
what are symbiosis | co evolved intimate relationships between members of two different species |
what are the two types of symbiotic relationship | parasitism mutualism |
what is a parasite | an organism that lives on or in another organism (the host) |
how does a parasite benefit | in terms of energy or nutrients |
how is the host harmed in parasitism | by the loss of energy or nutrients |
what type of metabolism do parasites often have | limited metabolism they cannot survive out of contact with a host |
what do some parasitic life cycles involve | intermediate/secondary hosts to allow them to complete their life cycle |
wwhat are ways in which the transmission of parasites to new hosts can occur | direct contact resistant stages vectors |
what is direct contact | when parasites spread from one host to the next by physical contact |
what are resistant stages | part of a parasites life cycle where they are resistant to adverse environmental conditions and can survive for long periods of time |
what are vectors | an intermediate host which transfers the parasite directly into the primary host |
what is mutualism | when both mutualistic partner species benefit in an interdependent relationship |