Nt1310 Unit 1 Lab Report

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In Lab 9, we looked at three kingdoms of autotrophic protists: Stramenophiles (brown algae and diatoms); Rhodophyta (the red algae); and Chlorophyta (green algae). Autotrophic protists are at the base of the aquatic food chain, and they range vastly in size, color, movement, and life cycle. It is interesting how diatoms produce nearly fifty percent of the earth's oxygen. In addition to the main lab activity, we compared two SF bay water samples, one of which contained a small amount of fertilizer. The sample with fertilizer was observed to have more protists than the one without. It was concluded that fertilizers – which consist of nitrate and phosphate – increase the number of protists found in SF bay water. We also watched a demonstration …show more content…
We learned that chlorophyll a is found in the thylakoid membranes of chloroplasts, while accessory pigments are found in the cytoplasm of the chloroplast. In Lab 10, we familiarized ourselves with the major groups of land plants. Despite it being a brief overview of the Plant Kingdom, I felt overwhelmed by all the new terms introduced in this lab. Thus began my descent into the world of plants. In Lab 11, we looked at the different life cycles of non-seed plants. Non-seed plants require water to move gametes, so moderate drying can significantly inhibit reproductive success. I am genuinely amazed at how long non-seed plants have existed on land in spite of their reproductive dependency on water. On another note, I don't know why, but I find the appearance of fern sori unsettling. In Lab 12, we
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