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Chapter 18: 1-10

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Biology Homework Chapter 18: Invertebrates - Sponges to Annelids


Reading Preparation

Textbook assignment: Chapter 18: The Evolution of Invertebrate Diversity, sections 1-16

Study Notes

This chapter takes us on a brief survey of the different phyla of invertebrate animals.

Web Lecture

Read the following weblecture before chat: The Evolution of Animal Diversity, focussing on organisms that lack a coelom or have a pseudocoelom

Take notes on any questions you have, and be prepared to discuss the lecture in chat.

Study Activity

Perform the study activity below:

Explore the One Zoom Tree of Life, and identify the main branches. How are eukaryotic cellular life forms broken into groups here? What distinguishing characteristics are used to separate the different groups? How is this system different from the one in your text?

Chat Preparation Activities

Chapter Quiz

Lab Work

Read through the lab for this week; bring questions to chat on any aspect of the lab, whether you intend not perform it or not. If you decide to perform the lab, be sure to submit your report by the posted due date.