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Apologia Marine Bio

Apologia Marine Biology Module 2 Vocabulary

Metabolism The process by which a living organism takes energy from its surroundings and uses it to sustain itself, develop and grow
Photosynthesis The process by which an organism uses the energy from the sun to produce its own food
Autotrophs Organisms that are able to produce their own food
Heterotrophs Organisms that cannot make their own food and must obtain it from other organisms
Respiration The process by which food is converted into useable energy for life functions
Homeostasis The tendency of living organisms to control or regulate changes in their internal environment
Diffusion The movement of molecules from an area of high concentration to an area of low concentration
Osmosis The diffusion of water across a selectively permeable membrane
Osmoconformer An organism that allows its internal concentration of salts to change in order to match the external concentration of salts in the surrounding water
Poikilotherm An organism whose body temperature changes with its surrouding environment
Ectotherm An organism whose body temperature is controlled by its surrounding environment
Homeotherm An animal that maintains a controlled internal body temperature using its own heating and cooling mechanisms
Endotherm An animal whose internal body temperature is a result of internal sources of heat
Asexual reproduction Reproduction accomplished by a single organism
Sexual reproduction Reproduction that involves the union of gametes from two organisms: a male and a female
Binomial nomenclature Identifying an organism by its genus and species name
Created by: sandcroberts