Christopher Columbus landed on an island in the Bahamas $(Caribbean \, Sea)$ in which year?

Select the option that shows the correct sequence of plant evolution.
$(I)$ Chlorophyte ancestors
$(II)$ Rhynia-type plants
$(III)$ Psilophyton
$(IV)$ Tracheophyte ancestors

The earliest fossil form in the phylogeny of horse is:

The origin of mammal-like reptiles occurred in which period?

Select the appropriate option for dinosaurs.

Birds are evolved from: