The smartest of all invertebrates is the ____
a. octopus
b. squid
c. slug
d. ant
e. crab
ANSWER: a
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What did Mendel propose to explain the 3:1 ratio of dominant to recessive traits he observed in his pea plants?
a. Plants expressing dominant traits carry three copies of the genes for those traits versus only one copy for recessive traits. b. Plants with dominant traits were 300% more likely to survive to maturity after fertilization when they could be observed. c. Each plant had two copies of each trait, and recessive traits were only expressed if both copies were the recessive form. d. All pea plants contain the same genetic material, but dominant pea plants express traits three times more strongly than others.
Four of the five chemicals listed below are
related to the light-independent reactions. Select the EXCEPTION.
a. oxygen b. carbon dioxide c. RuBP d. rubisco e. glucose
A former basketball player complains of significant right knee pain. After examination, it is determined that he needs
a knee replacement. The most likely cause of his issue is ____. a. osteoarthritis b. vitamin D deficiency c. growth hormone deficiency d. rheumatoid arthritis e. osteoporosis
Ferns spread from place to place by means of
A. spores. B. pollen. C. seeds. D. eggs.