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2. in relation to coelom what is the term for organisms that have a body cavity that does not completely surround the internal organs

  • Pseudocoelomate
  • Acoelomate
  • Eucoelomate

3. are hox genes evolutionary conserved

  • Yes
  • No

4. What is this method of determining the history of life: Looking at DNA of living organisms: measure how different species are from each other at a molecular level, and estimate how much time has passed since a single lineage split into different species.

  • Molecular clocks
  • Fossil record

5. What type of symmetry do the organisms in the sub kingdom: parazoa have

  • Asymmetrical
  • Radial symmetrical
  • Bilateral symmetrical
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