11. ¿Cómo se llama la apertura que permite la entrada de luz al interior del globo ocular?

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.