Opportunistic (r-Selected)

In ecology, species exhibit diverse reproductive strategies to thrive in varying environments. Among these strategies lies the concept of opportunistic (r-selected) species. Characterized by rapid reproduction, these organisms prioritize quantity over quality, capitalizing on unpredictable or unstable habitats. This reproductive approach enables opportunistic species to quickly colonize new areas, exploit transient resources, and withstand environmental fluctuations. By investing minimal parental care per offspring, they maximize the chances of survival in dynamic ecosystems. The concept of opportunistic species sheds light on the intricate interplay between reproductive tactics and environmental dynamics, offering valuable insights into evolutionary adaptations and population dynamics.

Questions
  • What are opportunistic or r-selected species?
  • What is competitive exclusion?
  • Suppose a fungus killed a species of tree in a forest community. What might happen to the woodpecker species that nests in that kind of tree?
  • What types of wildlife are targeted by poachers?
  • When does geographic isolation occur?
  • Why is parasitism considered a special case of predation?
  • Chestnut blight is caused by which type of invasive organism?