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1. What directional term is given to the anatomical positions pictured below? PowerPoint Presentation
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1. What directional term is given to the anatomical positions pictured below? - PowerPoint PPT Presentation


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1. What directional term is given to the anatomical positions pictured below?. B. C. A. D. 2. What type of symmetry does each of the following organisms have?. C. A. B. 3. Name the three stages of animal development (1, 2, 3) pictured below. 1. 3. 2.

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4. The gastrula differentiates into 3 layers of cells. What types of cells does each layer give rise to?

___Ectoderm

___Mesoderm

___Endoderm

  • Skeleton and muscle cells
  • b. Skin and sense cells
  • c. Digestive and respiratory cells
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5

5. Describe the path of water flow (enter/ exit) in a sponge.

slide8

8. Sponges are classified based on ____.

  • a. Body types
  • b. Composition of skeleton
  • c. Reproductive differences
  • d. Methods of feeding
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11. By which method do sponges obtain

their food?

  • Capture with tentacles
  • Exocytosis
  • Filter feed
  • Budding
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15. Name the phylum of these organisms.

16. Name the 2 main characteristics organisms of this phylum have in common.

17. Name the body type of each.

A

B

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20.

a. Give the name of this organism.

b. Identify the structure (arrow).

slide19

21. This organism produces 2 different polyps.

What is the function of each?

A.

B.

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22. a. Name the body form of this organism.

b. This organism is sessile. Define sessile.

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23. Cnidarians have true tissues.

  • (endoderm,ectoderm,mesoderm)
  • Name the tissue represented by red.
  • Name the tissue represented by blue.
  • Name the cavity with arrow.
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24. Choose: Porifera Cnidaria Both

  • Respiration by diffusion
  • Nerve cells
  • Gastrovascular Cavity
  • Specialized cells, lack tissues
  • One opening (mouth/anus)
  • Sexual and asexual reproduction
  • Invertebrate
  • Produce gemmules during harsh conditions
  • Blastula/ gastrula stage of developement