Which of the following is NOT a bivalve?
a) scallops
b) clams
c) barnacles
d) mussels
e) oysters
Ans: c) barnacles
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According to the figure, the alga produces the least
amount of oxygen at __________ nanometers. a. 680 b. 700 c. 400 d. 475 e. 550
The visual pigment in rods ____
a. works best in bright light b. is more diverse than that found in cones c. is found in the fovea d. is called rhodopsin e. absorbs red light
Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle?
A) CO2 and glucose B) H2O and O2 C) ADP, i, and NADP+ D) ATP and NADPH
Figure 40.3
In the above illustration of fluid regulation in an earthworm, the letter "B" represents which of the following?
A. The excretory pore B. Nephridium tubules C. The storage bladder D. The ureter E. Funnel to collect fluid