Which of the three domains contain prokaryotic organisms?
A. Bacteria
B. Archaea
C. Eukarya
D. Bacteria and Archaea
E. Bacteria, Archaea, and Eukarya
Ans: D. Bacteria and Archaea
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A unidirectional process where a specific compound released by one organism has a negative effect on another organism is called
A. commensalism. B. negative cooperation. C. predation. D. amensalism.
Epidermal cells secrete a ____ to reduce water loss
a. trichome b. cuticle c. oily substance d. upper epidermis e. stipules
An individual with the genotype AaBb produces four different gametes in equal proportions. This is a demonstration of ________
A) the chromosomal theory of inheritance B) Mendel's law of independent assortment C) linkage D) Mendel's principle of segregation
Which of the following is the BEST description of evolution as currently understood by modern biologists?
a) Evolution is goal directed. b) Evolution is influenced by the differential survival and reproduction of phenotypes. c) Evolution includes the results of selection for acquired characteristics. d) Evolution is synonymous with the process of mutation. e) Evolution is synonymous with the process of gene flow.