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Adaptations
Adaptations and Behavior
Term | Definition |
---|---|
Behavior | How an organism responds to its environment or a stimulus Can be innate or learned |
Imprinting | Organism forms an attachment to a specific individual (usually mother) shortly after hatching Example: ducklings following mother |
Circadian Rhythm | Day-night pattern of behavior 24-hour cycle of behavior Example: sleep at night wake during day |
Innate Behavior | Type of behavior an organism is born with Behavior is IN the organism when it is born Examples: instinct, reflex, territoriality, hibernation |
Learned Behavior | Type of behavior organism learns. Organism is not born knowing how to do this behavior Examples: conditioning (training), trial and error (practice) and language (communication) |
Dominance Hierarchy | Established by aggressive behavior Most dominant male at top Females will choose the male at top of hierarchy for mating Innate Behavior Example: in a pack of wolves one male is dominant over all other males. |
Migration | Organisms move to a different place to find a better habitat. Innate Behavior Example: Some birds fly south for the winter and return to the north when temperatures warm and food is available. |
Stomata | Openings on the bottom of a plant leaf that allow carbon dioxide into the leaf and oxygen and water out of the leaf. Size is controlled by guard cells and the amount of water available. |
Xylem | Transports water up the stem of a vascular plant |
Phloem | Transports food (glucose) down to the roots of a vascular plant |