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Home Q & A Board Biology-Related Homework Help General Biology
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megandunlap megandunlap
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6 years ago
What is the purpose of protonephridia in flatworms?
  a. To sense prey
  b. To exchange gas
  c. To respond to stimuli
  d. To regulate fluid balance
  e. To serve as a structure for sexual reproduction

Question 2

The first animals to show cephalization have several characteristics. Which of the following is NOT one of them?
  a. These animals were triploblastic.
  b. These animals had a proboscis.
  c. These animals were in phylum Platyhelminthes.
  d. These animals are placed in the group Lophotrochozoa.
  e. These animals followed the protostome pattern of embryonic development
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lizzynorrislizzynorris
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6 years ago
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megandunlap Author
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6 years ago
This helped my grade so much Perfect
shangshang
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Yesterday
Thank you, thank you, thank you!
zbmallo3
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2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
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