Relationshio Between Organism & Env Flashcards
Difference between exogenous clock & endogenous clock
Exogenous function in response to outside signals whereas endogenous generate their own timing autonomously without the environment
What is the annual cycle ?
Periods ranging to approximately a year (hibernation of bears)
What are daily cycles ?
Period occurs Approximately a day
4 O’clock flowers
What is the lunar cycle ?
Periods ranging to a lunar month (salmon)
What is tropism ?
Part of plant moving in a particular direction in response to an external stimulus
What is taxis ?
Simple, continuosly oriented movement in animals in response to external stimulus
What is homing ?
It is the ability of animals to find their way home over unfamiliar territory
What is migration ?
Seasonal movement of animals from one place to another in search of favourable conditions
What is orientation?
Act of turning in relation to an abiotic factor in environment
What is commensalism ?
Occurs when one organising benefits and the other neither benefits nor gets affected
What is symbiosis ?
Where Both species benefit from the relationship
What is biomagnification/bioamplification ?
It is the increasing concentration of a chemical in the organisms as it passes through the higher tropic levels .
What is biological timing ?
It is the timing response of organisms responding to rythms in a harmonious manner
