What is true about a gastrovascular cavity? Group of answer choices a. It has generally evolved to have as little surface area as possible b. It is usually found in conjunction with a complete digestive system c. In some species, it plays a role in the animal's movement d. It has two openings, an entrance for food and an exit for waste e. It allows for compartmentalization of digestive functions

The function of pharyngeal gills includes: ( can be more than one anwser) a. gas exchange  b. generating a feeding current  c. eliminating excess water during feeding  d. producing a mucous net

Give detailed Solution with explanation (don't give Handwritten answer

While of the following cavities would contain a peritoneum? 1. cranial 2. dorsal 3. ventral 4. thoracic 5. abdominal 6. pelvic 7. pericardial O 1, 2, 3, 4, 5, 6, 7 O 2, 3, 4, 5, 6, 7 O 3,5, 6 O 4, 5, 6, 7 O 5,6, 7

How is the internal anatomy of the Perch (bony fish) similar to and different from the shark? How does the anatomy of the digestive system influence the food preference of the perch, compared to that of the shark? What is the comparison of both the shark and the perch in their buoyancy mechanisms and their oxygen/carbon dioxide exchange? Please answer this fully because last time someone didn't answer this correctly and wasted one of my question credits.

Which of the following sets of adaptations most likely describes an organism with a carnivorous diet?   sharp teeth for biting and tearing, shortened intestines, a small cecum and appendix   flat teeth for grinding, long intestines, enlarged cecum and appendix   both sharp and flat teeth, medium length intestines, small cecum and appendix

Name the parts of the stomach  of dogfish shark and its mesenteries

Compare the following animals in terms of their digestive tracts (centerpoint only needed in the graph (similarities))

Which of the following statements regarding marine osmoregulators is (are) true?   A. Most marine invertebrates are osmoregulators.   B. Marine osmoregulators tend to lose water to the environment by diffusion.   C. Marine osmoregulators are isoosmotic with the external environment.   D. Marine osmoregulators bring salt into the body via active transport processes in the gills and skin.   E. All of the above above answer choices correctly answer the question.

Most people develop wisdom teeth by early adulthood. Wisdom teeth can cause pain or crowd out their other teeth, so many people have these teeth removed. Wisdom teeth in modern humans do not perform a crucial life function. Which statement best describes the importance of wisdom teeth to human evolution? They are vestigial structures that never performed a necessary function for human ancestors. They are evidence that humans have never evolved. They are vestigial structures that once performed an important function for human ancestors. They are evidence that humans cannot evolve.