What advantages do seeds have over spores? Cotyledon – What are the most important group of gymnosperms? Conifers- What are some distinguishing features of conifers? 200-100 Million Years Ago Graph the following Data in the correct color: Year % CO2 % O2 in Number of Number of Number of in Air Air Spore Plant Gymnosperms Angiosperms Species Species Species (Red) (Blue) (Green) (Purple) (Orange) 200 14 12 50 60 0 190 15 12 50 63 0 180 16 13 50 66 0 170 18 14 50 69 0
What advantages do seeds have over spores? Cotyledon – What are the most important group of gymnosperms? Conifers- What are some distinguishing features of conifers? 200-100 Million Years Ago Graph the following Data in the correct color: Year % CO2 in Air (Red) % O2 in Air (Blue) Number of Spore Plant Species (Green) Number of Gymnosperms Species (Purple) Number of Angiosperms Species (Orange) 200 14 12 50 60 0 190 15 12 50 63 0 180 16 13 50 66 0 170 18 14 50 69 0