Rank the elements carbon, sodium, calcium, and iodine in order of decreasing number of energy shells/levels
A. CNaCaI
B. ICaNaC
C. ICCaNa
D. CCaNaI
Answer: B
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Which of the following is a characteristic of flowering plants?
A. They produce seeds. B. They are called angiosperms. C. They develop flowers. D. They have leaves, roots, and stems. E. All of the choices are true.
Varieties produced under domestication via artificial selection most generally have traits that ________
A) would continue to be perpetuated in the wild as well as, or better than, those produced by natural selection B) are based only on variations that already exist in populations C) are based only on new mutations that have arisen recently in domesticated varieties D) are not typically well adapted in a wild setting
Each ommatidium of the compound eye of an insect has a biconvex lens and a __________, which
help focus light onto photoreceptor cells known as __________. a. crystalline cone; retinular cells b. facet; ocelli c. rhabdome; cones d. sclera; rods e. cornea; rhodopsins
Infection occurs when
A. a person swallows microbes in/on food. B. pathogens enter and multiply in body tissues. C. a person inhales microbes in the air. D. contaminants are present on the skin. E. All of these choices are correct.