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Organisms and Populations — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYOrganisms and Populations3 Marks
Question
Highlight the differences between the population interactions given below. Give an example of each.
  1. Parasitism.
  2. Amensalism.
  3. Mutualism.
✓

Answer

  1. Parasitism: Only one species benefits.
Example: Cuscuta/Tape worn.
  1. Amensalism: One species is harmed whereas the other is unaffected.
Example: Penicillium growing on bacterial culture/Trichoderma - biological control agent and plant pathogen.
  1. Mutualism: Both Species benefit.
Example: lichens.

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