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Common characteristics of living things (Cellular structure ((A-)According…
Common characteristics of living things
Cellular structure
A-)According to cell number;Multicellular or unicellular
B-)According to the cell type:Prokaryotes,Eukaryotes
All living things contain DNA,RNA and ribosome.So they can have complex structural organization based on DNA
All organisms synthesize proteins in their ribosomes,by the help of RNA,according to the genetic codes on DNA
Organisms are made of complex structures called cells.Cells are the fundamental units of life
Also all organisms can be produced their own enzymes by their ribosomes in the cell cytoplasm
Feeding or nutrition
All organisms take in food or take in materials from their surroundings to make their life activities.This called nutrition
Producers or Autotrophs
Consumers or heterotrophs
Autotrophs and heterotrophs
Cellular respiration
Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.
anaerobic
aerobic
Metabolism
All biochemical activities that take place in cell is called metabolism
anabolic
catabolic
excretion
(in living organisms and cells) the process of eliminating or expelling waste matter.
Movement
The ability of cells or organisms to move and propel itself from place to place. Supplement. Locomotion in biology pertains to the various movements of organisms (single-celled or multicellular organisms) to propel themselves from one place to another.
growth
Growth refers to two processes:Increase in the number of cell or Increase in the size of cell
Reproduction
Organisms can produce new organisms.Even though individuals die,life goes on by means of reproduction
Sexual
Asexual
Sensivity
Organisms respond to changes in their environment.Different organisms may respond differently to a specific stimulus
Adaptation
Variability in respect to, or under the influence of, external conditions; susceptibility of an organism to that variation whereby it becomes suited to or fitted for its conditions of environment; the capacity of an organism to be modified by circumstances.
Homeotasis
Homeostasis refers to the ability of the body or a cell to seek and maintain a condition of equilibrium or stability within its internal environment when dealing with external changes. It is involved in the maintenance of the constant internal environment which includes the function of kidney, liver, skin, etc.
Organization
Unicellular have different organells for different functions.Multicellular show levels of organization as cell,tissue,organ,system,organisms to do different function