What is the process by which a producer uses light energy to make sugars from carbon dioxide and water?
a. respiration
b. photosynthesis
c. homeostasis
d. development
e. reproduction
ANSWER: b
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A researcher is studying fairy shrimp in a desert pond that is also inhabited by spadefoot
toads. Which of the following is true regarding these animals?
a. They share the same niche. b. They share the same habitat. c. They are both detritivores. d. They have the same resource requirements
Characteristics of freshwater runoff include: a. high salinity compared to sea water
b. high nitrogen compared to sea water. c. high detritus compared to sea water. d. high phosphorus compared to sea water.
The periodic table of the elements was devised by
a. Henri Becquerel. b. Demitri Mendeleev. c. Melvin Calvin. d. Marie Curie. e. Becquerel and Mendeleev.
A chromosome ____
a. consists of DNA and its associated proteins b. is a single stranded DNA molecule c. anchors the DNA within the nucleus d. stabilizes the nuclear membrane e. is found within the nucleus and cytoplasm