The Florida Yew and cycads are examples of dioecious gymnosperms. How does their life cycle compare to that of a pine tree?
a. Similar to yew or cycad, pine trees produce micro and megasporangia on separate cones. A single pine tree individual is only capable of producing one type of spore (male or female).
b. Unlike the yew or cycad, pine trees are monoecious because each individual produces male and female cones.
c. Pine trees are angiosperms, so they produce ovules and ovaries. Their "cones" are actually fertilized dry fruits.
d. Pine trees are also dioecious, but they are isogamous because a single individual produces both eggs and sperm. The yew and cycad are anisogamous.