Unit 8 Open Exam – Block Day, March 22nd & 23rd

The exam for Unit 8 will take place in class on Wednesday, March 22nd and Thursday, March 23rd. The exam will be open note/textbook and will be administered through Quia.

The Unit 8 Guided Reading Questions, the Unit 8 Review Videos, and the Protist and Fungi note packets are recommended study materials, along with the other materials available on the Campbell Biology textbook website.

The Clicker Review activities from this unit include questions from Chapter 27, Chapter 28, and Chapter 31. In addition, you can review the questions from our in-class review game.

The online quiz that you took during this unit would also be helpful for you to review. You can access a review version of that quiz using the link below:

If you have any questions about the exam, please use the comment form below.

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Biology Teacher

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3 Responses to Unit 8 Open Exam – Block Day, March 22nd & 23rd

  1. Shafaa says:

    Hi Mr. Mohn! I have a question regarding protists being paraphyletic. I understand that to be paraphyletic, a Kingdom cannot contain all descendants from its common ancestor. But what is the significance of this?

    • Mr. Mohn says:

      Our modern classification system is intended to reflect the evolutionary history of the existing lineages. All members of a taxonomic group should share a common ancestor. In other words, all classification levels in our modern classification system should be monophyletic. By saying that the Kingdom Protista is paraphyletic, we mean that it is not really a distinct group of organisms that can be set apart from the organisms in the Kingdoms Plantae, Fungi, and Animalia. These three groups are true monophyletic groups. If we include all of the organisms that we previously classified as “protists” in a single group, we must also include plants, fungi, and animals because they too are descendants of the common ancestor shared by the rest of the eukaryotic lineages we used to call “protists.”

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