Most cycad populations are small and often vulnerable to extinction. Which of the following explanations is thought to have contributed to the survival of cycad species to the present day?

Question

Quizplus · Accepted Answer

Cycads have survived to the present day due to several factors: A) Insects play a crucial role in the pollination of cycads, facilitating their reproduction. B) The thick, protective bud scales at the apical meristem protect the growing parts of the plant from herbivory and environmental stress. C) Their association with nitrogen-fixing bacteria helps cycads thrive in nutrient-poor soils by providing them with a source of nitrogen.

Most Cycad Populations Are Small and Often Vulnerable to Extinction