Does increasing the concentration of CO2 increase the rate of photosynthesis?
a. Yes, but only initially
b. Yes, the rate increases consistently over the entire range of CO2 concentrationsavailable in this lab
c. No, increasing the concentration of CO2 decreases the rate of photosynthesis.
d. No, increasing the concentration of CO2 does not affect the rate ofphotosynthesis.
a
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Which of the following activities would be associated with the parasympathetic division of the autonomic nervous system?
A. resting and digesting B. release of both acetylcholine and epinephrine C. increased heart rate D. "fight-or-flight" response E. release of epinephrine only
Members of the ____ phylum have a unique water vascular system connected to tube feet that are used for movement
a. Hemichordata b. Echinodermata c. Cnidaria d. Arthropoda e. Chordata
Cartilage is found
a. in the nose. b. in the embryonic skeleton. c. in the external ear. d. between vertebrae. e. in all of these
Which of the following identifies a group of DNA viruses?
a. retroviruses b. herpesviruses c. paramyxoviruses d. filovirus e. picornaviruses