1-3. We observed representatives of 4 classes in phylum mollusca. Name three of the classes and the representative we ob

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1-3. We observed representatives of 4 classes in phylum mollusca. Name three of the classes and the representative we observed: Class Representative + 4 4 4.5. We observed representatives of 3 classes in phylum annelida. Name two of the classes and the representative we observed: Class Representative

'sperm. 5,6. It is said that insects and angiosperms "coevolved". What does this mean? Explain.

7. What function does the strobili serve in the club mosses (such as the horsetail)? 8,9,10. The study of Gymnosperms continues our survey of the plant kingdom with the examination of the first producing vascular plants representing four phyla. Name two of these phyla (scientific or common name).

WRITING TO LEARN BIOLOGY Are leeches predators or parasites? What reasons would you give for both possibilities?

WRITING TO LEARN BIOLOGY Because water is required for the swimming sperm to reach the archegonium, would you say that this means that bryophytes are not truly land plants? Why or why not? 28-10