Sea jellies lack a circulatory system because:
A) they have no immune system.
B) they breathe air.
C) their tissues have low metabolic demands.
D) their rapid metabolic processes ensure steep concentration gradients.
Correct Answer:
Verified
Q6: Insect respiratory systems contain all of these
Q7: Which of the following structures protects the
Q8: Aquatic animals, in general, face more of
Q9: _ is a waste product of cellular
Q10: All respiratory systems have all of the
Q12: Animals need a respiratory system because each
Q13: Which of the following groups of animals
Q14: Movement of O2 from the outside air
Q15: Which of these animals takes up O2
Q16: Breathing in terrestrial animals is a major
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents