Plant growth in response to light
response to earth's gravity, as the growing of roots downward in the ground
A directional growth of a plant in response to touch.
the tendency for an organism to grow towards (or away from) water.
Plant growth that occurs in response to a chemical
General animal response in which it moves in relation to a fixed point or a stimulus
reversible, responsive movement of a plant that occurs independent of the direction of the stimulus
Movement that is directed by chemical gradients, such as nutrients or toxins. (seen in some bacteria)
Movement by an organism in response to gravity
moving toward/away from areas of extreme water temperatures to areas of more moderate temperatures
movement towards or away from water
organisms response to touch
The speed of the movement is related to the intensity of the stimulus
The amount of random turning is related to the intensity of a stimulus
Animal ability to find and return to the home site.
the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding
belonging to or active during the day
of or relating to or occurring in the night
active at dawn and dusk
interaction in which one organism captures and feeds on another organism
the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)
a relationship between two species in which both species benefit
the relation between two different kinds of organisms when one receives benefits from the other without damaging it
competiton for resourses
a relationship in which different individuals or populations attempt to use the same limited resources
competition between members of different species
competition between members of the same species
The parents will not only provide the babies with food, clothes, and shelter, but also teach the young children how to look after themselves. This increase the chance of survival of the young before they become mature.
when an animal sends out stimuli in order to attract a member of the opposite sex
Prolonged relationship between male and female, associated with joint parental care
having only one spouse at a time
a polygamous mating system involving one male and many females
a polygamous mating system involving one female and many males
the mating of several females with several males.
referring to a type of relationship in which an individual of one sex mates with several of the other
a group or system in which positions of power are ranked, usually from lowest to highest