Which organisms have an apical sense organ with a statocyst for sensing position?
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What are choanoflagellates, and why did we discuss them in t…
What are choanoflagellates, and why did we discuss them in this course? OR Why are flatworms flat?
Ctenophores have 2 anuses.
Ctenophores have 2 anuses.
EXTRA CREDIT! Worth 2 points. :) Given the evidence, do you…
EXTRA CREDIT! Worth 2 points. 🙂 Given the evidence, do you think sponges or ctenophores are most likely the sister group to all other animals? Why? (hint – the “why” is the important part)
True or false: Platyhelminthes are bilaterally symmetrical d…
True or false: Platyhelminthes are bilaterally symmetrical deuterostomes.
Explain how a nematocyst works. Use as many correct anatomic…
Explain how a nematocyst works. Use as many correct anatomical terms as you can. OR Describe how a coral develops from a planula into a large colony.
Pick at 3 of the cell types in Porifera and explain their fu…
Pick at 3 of the cell types in Porifera and explain their function. OR Discuss sponge chemistry. What are sponge chemicals used for and what do humans use them for?
The flatworms were the first animals to:Â (mark all that app…
The flatworms were the first animals to:Â (mark all that apply)
Charging affects backscattered electrons much more than seco…
Charging affects backscattered electrons much more than secondary electrons.
When wanting to image a sample in cross-section, which metho…
When wanting to image a sample in cross-section, which method will provide the smoothest and flattest surface?