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Characteristics Life

Leaving Cert Biology

What is diversity? A wide range of living things
What are the common features of living things Organisation, Nutrition, Excretion, Response and Reproduction (ONE Roger Rabbit)
What do you call the sum of all the chemical reactions in living things Metabolism
What type of reaction involves the breakdown of larger molecules to smaller ones and also releases energy Catabolic reaction
What type of reaction involves smaller molecules being used to make larger ones and takes in energy Anabolic reaction
What is defined as the possession of all the characteristics Life
What term is used to describe how living organisms arise from living organisms of the same type Continuity of life
What are all living things made of Cells
Some organisms exist as one cell, what term is used to describe this Unicellular
What characteristic of living things refers to the order in which cells are made up Organisation
What is the order of levels of organisation of life Cells, Tissue, Organ, System, Organism, Population
What term is used to describe the way in which organisms obtain and use food for energy Nutrition
What do you call organisms that can make their own food Autotrophs
What do you call organisms that cannot make their own food Heterotrophs
What term is used to describe the removal of waste products Excretion
Name two products of excretion Carbon dioxide and urea
Why is it dangerous for waste products to accumulate in the body It becomes toxic
What term is given to the process by which an organism maintains a constant internal environment Homeostasis
What term is used to describe the formation of new individuals Reproduction
What are the two methods or reproduction Asexual and Sexual
What reproduction method involves the fusion of gametes Sexual
What reproduction method involves cell division Asexual
What characteristic of living things refers to the reaction of organisms to stimuli in their environmnet Response
Created by: gcu biology
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