A very rapid kind of communication that works at a distance and in the dark is
A. chemical communication.
B. tactile communication.
C. auditory communication.
D. visual communication.
Answer: C
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Horizontal gene transfer
A) is rare and only occurs between closely related strains. B) is common and may sometime occur between unrelated organisms. C) does not provide an advantage to organisms. D) only occurs in prokaryotes.
A major difference in reproductive strategy found in plants and animals but not found in protists is that _____.
Fill in the blank(s) with the appropriate word(s).
Which of the following four statements, if any, is true regarding essential elements and living organisms?
a. All organisms require 25 of the 92 naturally occurring elements to survive. b. The elements carbon, hydrogen, nitrogen, and oxygen make up 20-25% of living mass. c. Although all forms of life require iron, other elements are required only by certain species. d. Given their low concentrations in nature, the toxicity of some elements is generally not a factor in the evolution of biological communities. e. All of the listed responses are correct.
Anthropoids or higher primates include all of the following except
A. New World monkeys. B. apes. C. Old World monkeys. D. humans. E. lemurs.