Concepts methods of studying living organisms observation description comparison experiment write explanation of these methods.

Observation is when scientists observe, watch, control the behavior of a living organism.
Description-based on observations and knowledge, the scientist describes living organisms, lists its height, weight, length of tail, wings, feeding method, etc.
Comparison – scientists compare different species, certain individuals, ancestors.
Experiment – created in order to confirm or disprove any hypothesis.



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