A relationship in which one partner benefits and the other is unaffected is termed
A. commensalism.
B. parasitism.
C. independence.
D. mutualism.
A
Biology & Microbiology
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Which of the following groups is most closely related to the tracheophytes?
A. Bryophytes B. Charophytes C. Rhodophytes D. Chlorophytes
Biology & Microbiology
In an example of embryonic induction, signals from cells in the ________ cause gastrulation
a. dorsal lip b. ectoderm c. gray crescent d. endoderm
Biology & Microbiology
Flatworms can reproduce:
a. asexually. b. sexually. c. by reciprocal copulation. d. all of the above
Biology & Microbiology
Which of the following characteristics is present in all chordates?
A. gills B. notochord C. vertebrae D. All of the above are correct.
Biology & Microbiology