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17 Cards in this Set

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Adaptations
Features that appear to equip an organism for survival in a particular habitat.
Aldosterone
Hormone produced by the adrenal cortex; acts on kidney tubules to stimulate sodium ion reabsorbtion.
Behavioural features
Activities that animals perform in response to internal and external stimuli.
Central nervous system
In vertebrates, the brain and spinal cord.
Cochlea
Fluid-filled coiled tube in the inner ear containing fine hairs that can detect sound vibrations and which leads to the auditory nerve.
Conduction
Transfer of heat between two materials that are in direct contact with each other.
Cuticle
Waxy layer on the outer side of epidermal cells; waxy outer layer on leaves.
Endothermic
Organism whose body heat is generated from internal metabolic sources.
Evaporation
Loss of water in vapour form from the surface of a body of water.
Glucose
A six-carbon sugar; a common monosaccharide
Homeothermic
Refers to an organism that is able to maintain an internal body temperature within a narrow range.
Hormones
In animals, chemicals produced in endocrine glands, that are released into and transported via the bloodstream to other parts of the body where they act.
Humidity
Measure of the amount of water vapour in the atmosphere.
Osmosis
Net movement of water across a partically permeable membrane without an input of energy and down a conterntration gradient.
Phyllodes
Leaf-like structures derived from a petiole. (stem of a leaf)
Pituitary
Endocrine gland attached to the hypothalamus, influences the production of thyroxin by the thyroid.
Spinal cord
Dorsal nerve cord within the vertebral column that together with the brain and associated nerves makes up the central nervous system.