Optimal color vision occurs in the fovea, a depression in the retina where most of the ________ are located
Fill in the blank(s) with correct word
cones
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What cannot be determined from examining age pyramids of human populations?
A) the future population size B) the age structure of the population C) the success of future generations D) the fecundity of a future population
Which of the following statements is true regarding the RNA of plant viruses? Select all
A. Outside of replication, the RNA of plant viruses is typically single-stranded. B. Outside of replication, the RNA of plant viruses is typically double-stranded. C. Plants cleave viral double-stranded RNA to form small-interfering RNAs. D. Plants cleave viral single-stranded RNA to form small-interfering RNAs. E. Plant viruses contain only single-stranded DNA, not RNA.
Ions important to plant nutrition are taken up by roots from the soil by ________.
A. Osmosis B. Simple diffusion C. Active transport D. Facilitated diffusion E. Endocytosis
Plants from both the chaparral and the Arctic have waxy coatings even though the temperatures in the two biomes are vastly different. Why?
What will be an ideal response?