... features of the environment--wind, water, or animal pollination and seed dispersal. Animals are often important for dispersal of pollen and seeds. Reproductive structures vary widely: inflorescence type, flower sizes, shapes and colors; infructescence type, fruit sizes, shapes and colors; seed sizes and numbers ... eat leaves, sheaths, or stems of various grasses. Finally, some species are migratory, others resident, which is correlated with diet, social system (size of herd), and defense adaptations. The abundant but patchy food and the ease of keeping in contact have promoted a high deg...

• Word Count: 12375
• Approx Pages: 50
• Has Bibliography
• Grade Level: Undergraduate

... phylum are dependant on water or moist surroundings to survive(Raven 1999). The reason that they rely so heavily on moisture in their environments is because they are lacking a vascular system. Bryophytes are some of the oldest and most primitive plants still extant on earth, and since they are unable to utilize xylem and phloem like vascular plants to transport water ... being suggested that would use certain species of mosses to monitor regional levels of atmospheric metals( Schilling and Lehman, 2002). Although the majority of bryophytes are not economically important for human consu...

• Word Count: 1014
• Approx Pages: 4
• Has Bibliography
• Grade Level: Undergraduate