Multiple Choice
Some species of birds have specific adaptations of their circulatory system to decrease heat loss to the environment. Those adaptations include which of the following?
A) increased red blood cell count
B) an enlarged spleen
C) countercurrent blood circulation
D) hemoglobin with a higher affinity for oxygen
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Which soil has the largest particles?<br>A) clay<br>B)
Q2: The specialized organelles used in photosynthesis are
Q3: How are independent variables used in scientific
Q5: What is the primary cause of increased
Q6: How does size affect heat exchange in
Q7: Explain why the C4 pathway accounts for
Q8: The first compound formed after light is
Q9: Which is an adaptation to manage cold
Q10: Which organ is responsible for removing salts
Q11: How can soil type affect salinization?