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Practice problem

Symbiosis — Definition & Types

By Valeri Natole
+2 contributors
Contributors
A graph showing populations of two different species. Population 1 has 3 individuals during year 1, 2, 3, 4, and 3.2 during year 5. Population 2 has 3 individuals in year 1, 3.5 in year 2, 3.2 in year 3, 3 in year 4, and 3.4 in year 5.

A graph showing population numbers, by the thousands, over 5 years.

Do these two species appear to be in a symbiotic relationship? Why or why not?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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