Answer: The characteristic that ginkgoes and cycads have in common is that they lived during the time of dinosaurs.
Explanation: The characteristic that ginkgoes and cycads have in common is that they lived during the time of dinosaurs. Ginkgoes and cycads are both ancient plants that have been around since the time of the dinosaurs, and have survived through millennia of changes in climate and ecological conditions. While both plants have unique features, their ancient lineage is the common characteristic between them.
Option B is correct. Both, ginkgoes and cicadas are types of plants that existed during the time of dinosaurs.
Ginkgoes, especially The Ginkgo biloba species are living fossils as they can still be found in various parts of the world, particularly in China even though they coexisted with dinosaurs.
During the time of dinosaurs, cycads were quite diverse and widespread, and they thrived alongside dinosaurs. They have a palm-like or fern-like structure.
To know more about ginkgoes and cycads:
https://brainly.com/question/4217252