1
1) The circulatory systems of bony fishes, rays, and sharks are most similar to _____.
- A) those of birds, with a four-chambered heart
- B) the portal systems of mammals, where two capillary beds occur sequentially, without passage of blood through a pumping chamber
- C) those of sponges, where gas exchange in all cells occurs directly with the external environment
- D) those of humans, where there are four pumping chambers to drive blood flow
Bloom's Taxonomy: Synthesis/Evaluation
Section: 42.1
A
B
C
D
Answer: B
2
2) Organisms with a circulating body fluid that is distinct from the fluid that directly surrounds the body's cells are likely to have _____.
- A) an open circulatory system
- B) a closed circulatory system
- C) a gastrovascular cavity
- D) branched tracheae
Bloom's Taxonomy: Application/Analysis
Section: 42.1
A
B
C
D
Answer: B