How do ectotherms primarily regulate their body temperature?
A) by adjusting their rate of metabolism
B) by absorbing or releasing heat
C) by eating more or less, depending on their need for body heat
D) by panting when it gets too hot and shivering when it gets too cold
B
You might also like to view...
Abiotic interactions are
A. between organisms. B. between organisms and the environment. C. usually mutually costly. D. most important in tropical ecosystems. E. rare.
What does the hydrolysis of a purine base from the deoxyribose-phosphate backbone leave behind?
A) an apurinic site B) a modified base C) a double-strand break D) a mutation E) a deletion
What step of inflammation is caused by histamine released from mast cells?
A) Macrophages engulf debris and foreign matter. B) Additional leukocytes are recruited to the region. C) Infection is cleared by phagocytosis. D) Foreign matter is contained. E) Capillaries dilate and become more permeable
What term refers to the failure of homologous chromosomes to separate during meiosis I?
A. inversion. B. translocation. C. trisomy. D. nondisjunction. E. disjunction.