An organism that uses CO2 for its carbon needs and sunlight for its energy needs would be called a/an
A. chemoheterotroph.
B. halotroph.
C. photoautotroph.
D. heterotroph.
E. saprobe.
Answer: C
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The release of acetylcholine into the neuromuscular junction is shortly followed by the release of ________ ions from the sarcoplasmic reticulum
Fill in the blank(s) with correct word
What is a plant species in which the plant can make either only male or only female flowers called, and what flowers does it always have?
a. monoecious; imperfect b. dioecious; perfect c. dioecious; imperfect d. monoecious; perfect
During anaphase I, which best represents segregation of the chromatids that make up one pair of homologues? (M represents a maternal chromatid and P represents a paternal chromatid. Assume no crossing over occurs.)
A. M and M to one pole; P and P to the other pole. B. M and P to one pole; M and P to the other pole. C. M to one pole; P to the other pole. D. half of M and half of P to each pole. E. the segregation of these chromatids is completely random.
Recall Stiling and Drake's experiments using chambers with elevated CO2. What are the implications of their experiment for farmers in the coming decades, if CO2 levels rise as predicted?
A. Farmers will see lower crop productivity and nutrition, in addition to more insect damage. B. Farmers will see higher crop productivity and less insect damage, but the crops will be less nutritious. C. Farmers will see higher crop productivity, but there will be more insect damage and the crops will be less nutritious. D. Farmers will see higher crop productivity and nutrition, but there will be more insect damage.