58 Caulerpa racemosa var. cylindracea - sea grapes View the video (http://www.yo

Question

58 Caulerpa racemosa var. cylindracea - sea grapes View the video (http://www.youtube.com/watch?v.as on this invasive green alga in the Mediterranean & answer the following questions. 1. Where is this alga native? 2. Where was the first report of this alga in the Mediterranean? 3. How did sea grapes get to the Mediterranean? 4. How did sea grapes spread in the Mediterranean? 5. What types of native algae is being replaced by seagrapes? 6. Why are sea grapes not able to grow in the seagrass meadows of Posidonia oceanica'? 7. Have sea grapes spread outside the Mediterranean & if so, where? 8. What other species of Caulerpa has invaded the Mediterranean? You will need to do a little research to answer questions 7 & 8

Explanation / Answer

Answer:

1. This algae is native to the southern coast of Australia.

2. The first report of sea grapes in the Mediterranean was off the coast of Lybia.

3. The seagrapes got here by attaching to ships that sailed from Australia to that region.

4. The algae release spores than can be transported through water currents to different places. Also, boat anchors and fishing nets dragged cylindracea from one mediterranean port to the other.

(Since there are multiple subparts, the first 4 subparts have been answered according to the rules of Chegg)

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