Review of Literature
Did you know that Coca-Cola will eventually rot your teeth away and eat at
your stomach? Also did you know that if you won't drink any kind of pop you will
have more energy? Well it's all true! I will now tell you some facts about plants,
marigolds, and Coca-Cola.
Plants are organisms that, like everything else living, are made up of cells and
they are in the Plantae Kingdom (Gale encyclopedia of science, p. 2893-2894). The
earliest know plants that occurred were the ferns, and they appeared about 400
million years ago (Myatt). Plants get their energy from the sun by a process called
photosynthesis and take in food and water by their root system. Then it travels up the
stem and to the leaves or flower (Gale Encyclopedia of Science, p. 2894,2896).
If your plant looks sick it probably has a disease. Plant diseases can be
infectious, meaning transmitted from plant to plant, or noninfectious.
diseases are called disorders and are most common among plants. Some disorders are
caused by lack of nutrients, too much or too little water, polluted soil, or polluted air.
Weather can effect a plant's growth too, for example: too much or too little sun
(Gale Encyclopedia of Science, p. 2904)
Now I'm going to talk about Marigolds. Marigolds are popular half-hardy
annuals that are grown for their bright, wide flowers and bushy mounds of lacy,
green leaves. The African or American Marigolds (Tagetes Erecta) are large with 18-
36 inch long stems. They have large flowers about two to four inches wide that are
yellow, orange, or bicolored. The French Marigolds " are much daintier", with small
single flowers that also about two to four inches wide. They come in yellow, red, and
orange. There are also Hybrids that...