Animal Responses
A movement response towards light
+ Phototaxis
What are growth movements towards or away from a directional stimulus
Tropisms
A relationship between different species where both species benefits
Mutualism
Agressive behaviour that is ritualised so it doesn't cause actual harm.
Agonistic
The movement reponses upstream in a river
+ rheotaxis
The natural detachment of leaves from a tree in autumn
Abscission
A type of parasitism where nests are taken over by parasitic nestlings
Brood parasitism
The organisation of individuals in a group according to status
Dominance hierarchy
Increase in rate of turning in response to increased intensity of light
photo klinokinesis
A growth response towards touch
+ thigmotropism
Mimicry where one animal is harmless and the other is not.
Batesian
An area that is actively marked and defended by a group
Territory
A biological rhythm controlled by external biological cues
Exogenous
Name for the 'sleep movements' detected in many plants
Nyctinasty
The principle whereby no two species can occupy exactly the same ecological niche for any length of time.
Gause's Principle
When a single female has many different male sexual partners
Polyandry
Name the group of cells within the mammalian brain that control the circadian response
Suprachiasmatic nuclei
Name of the hormone though to be responsible for the phototropic response
Auxin
Name given when a plant produces a toxic chemical that inhibits plant growth around it
Antibiosis/allelopathy
When the male and female of the species look significantly different.
Sexual Dimorphism