34. What are the advantages of an alimentary canal over a gastrovascular cavity?

Question

34. What are the advantages of an alimentary canal over a gastrovascular cavity? Bonus (2 points each) Males afflicted with Kartagener's syndrome are sterile because of immotile sperm. also tend to suffer from increased lung infections. There is a genetic basis to this disorder. A single mutation in what protein might alter both of these functions? 1. They 1. When global warming destroys the environment to a point where humans can no longer live, will be the most likely to survive. a. Bacteria b. Bears c. Flies d. Plants

Explanation / Answer

# Unlike a gastrovascular cavity where the food is ingested and eliminated through the same opening like a hydra. The advantage of having an alimentary canal is that food can still be taken in while digestion is still taking place and it allows for more complete digestion
# storage of food cant take place
# no mixing of fresh food with digested food
# For circulation of absorbed food there is circulatory system.

bonus




1. The condition is most often associated with ultrastructural defects of the axoneme, the skeleton of cilia and flagella, which is constituted of several families of proteins including dyneins, kinesin and microtubule-associated proteins (MAPs) .
1 . bacterias - these are highy adaptive organism, they can survive in the harshest environments

Related Questions

Navigate

• Browse (All)
• Browse 3
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.