Discovery Science: Earth – Seed Plants – Angiosperms
Earth Science: Seed Plants – Angiosperms Angiosperms (Magnoliophyta or Angiospermae) are divided into two categories: dicotyledons, which germinate with two cotyledons (seed leaves), and monocotyledons, which produce only one cotyledon. The estimated number of angiosperm species is between 250,000 and 300,000. The ovules of angiosperms are not exposed on the carpels as seen in gymno- … Read more