Which of the following are arranged in the sequence in which the various taxa first appeared in time?
A. bacteria, protists, charophyceans, liverworts, lycophytes, gnetophytes, angiosperms
B. Archaea, protists, charophyceans, mosses, ferns, conifers, flowering plants
C. bacteria, protists, charophyceans, mosses, cycads, angiosperms
D. prokaryotes, protists, charophyceans, mosses, ferns, conifers, flowering plants
E. All the other choices provided are correct
E. All the other choices provided are correct
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Very often clinically relevant information may be obtained by examining
A. a wet mount. B. the size and shape of the organism. C. the sequence of proteins. D. the transformation ability. E. a wet mount AND the size and shape of the organism.
The fluid portion of blood is known as blood ________; this portion constitutes approximately ________ % of the total blood volume
Fill in the blank(s) with correct word
The area where the fresh water of a river meets the salt water of the ocean is a (n)
A. intertidal zone. B. continental shelf. C. hydrothermal vent. D. open ocean. E. estuary.
The vitamin necessary for fibrinogen and prothrombin formation (found in green vegetables and released by intestinal bacteria) is
A. vitamin E. B. vitamin B. C. vitamin K. D. vitamin D. E. vitamin A.