Green and yellow wavelengths of light are useless to most plants.
a. true
b. false
a. true
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If all variation among individuals in a population is due to differing genotypes, heritability is ____, and the slope of the line used to measure it is ____
A. 100%; 0.5 B. 100%; 1 C. 50%; 0.5 D. 50%; 1 E. 0%; 0
Vascular plants appeared about 450 million year ago. Vascular plants have existed on earth for ______.
A. 10% of its history B. 20% of its history C. 50% of its history D. 75% of its history E. 90% of its history Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about the age of the earth? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The hosts for the causative agent of cholera
between El Niño Southern Oscillations are a. humans. b. algae. c. copepods. d. shellfish. e. marine worms
Chloroplasts contain disklike membranous sacs arranged in stacks called
A) stroma. B) grana. C) thylakoids. D) vacuoles. E) cristae.