ECOLOGICAL MANAGEMENT ASSOCIATIONS
BIOLOGY SSS 2 SECOND TERM
WEEK THREE
ECOLOGICAL MANAGEMENT ASSOCIATIONS
PERFORMANCE OBJECTIVE
Students should be able to;
- Recognize some of the associations existing between different parasites
- Identify beneficial harm and neutral forms of association among organism
- Deduce the mode of life of a given organism from observed characters.
CONTENT
Symbiosis Definition
A symbiosis is an evolved interaction or close living relationship between organisms from different species, usually with benefits to one or both of the individuals involved. Symbioses may be ‘obligate’, in which case the relationship between the two species is so interdependent, that each of the organisms is unable to survive without the other, or ‘facultative’, in which the two species engage in a symbiotic partnership through choice, and can survive individually. Obligate symbioses are often evolved over a long period, while facultative symbioses may be more modern, behavioural adaptions; given time, facultative symbioses.... View More
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