Why is it unwise to try to relate an organism's complexity with its size or number of cells?
A) A very large organism may be composed of very few cells or very few cell types.
B) A single-celled organism, such as a bacterium or a protist, still has to conduct all the complex life functions of a large multicellular organism.
C) A single-celled organism that is also eukaryotic, such as a yeast, still reproduces mitotically.
D) A simple organism can have a much larger genome.
E) A complex organism can have a very small and simple genome.
Relationship between winter rainfall and chuckwalla, Sauromalus, size
The threespine stickleback (Gasterosteus aculeatus) has been used as a model organism for the study
Body size and population density of herbivorous mammals
From left to right: Size development, biometrical changes in the cranium, reduction of toes ...
Encephalization is a function of both brain size and body size.
Size-exclusion chromatography (aka gel-filtration)