Dicotyledons first appeared during the ....... period.

Identify the plants that are dominant during the Jurassic period.

Which of the following is correctly matched with respect to the era and its period?

When did agriculture and human settlement approximately begin?

Which of the following is considered the ancestor of the pteridophytes?

The origin of seeds in land plants was achieved about $345 \; \text{million}$ years ago, in lineages recognized as ancestral to all more advanced vascular plants in: