Scientific name: Downingia species Family: Campanulaceae (bellflower) Habitat: vernal pools Size: Plants are 3 to 10 inches tall; each flower is 7 to 18 mm; Downingia Bicornuta usually has larger flowers than the other two species.
Scientific name: Vicia villosa Family: Fabaceae (pea) Habitat: grassland (often disturbed) Size: Plants are long and viney, growing up to a few feet long; each flower is 1 to 1.5 cm long, the clusters have 10-30 flowers.
For 2 billion years, bacteria were the only creatures on Earth. Long before the dinosaurs, a special type of bacteria slowly increased the level of oxygen in the Earth’s air to 20 percent. Without this oxygen other plants and animals could not have evolved, including us.