Which of the following interactions is an example of mutualism?
a. nitrogen-fixing bacteria in the root nodules of legumes
b. the sea anemone and the pink anemone fish
c. all of the choices
d. the yucca plant and the yucca moth
c
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A eukaryotic genome is defined as:
A. all of the DNA in a cell. B. a haploid set of chromosomes plus one copy of any organelle DNA present. C. a haploid set of chromosomes. D. a diploid set of chromosomes plus one copy of any organelle DNA present. E. a diploid set of chromosomes.
The ten phyla of living land plants include:
A. (1) liverworts, (2) hornworts, (3) mosses, (4) lycophytes, (5) pteridophytes, (6) cycads, (7) ginkgos, (8) conifers, (9) gnetophytes, and (10) angiosperms B. (1) liverworts, (2) hornworts, (3) mosses, (4) lycophytes, (5) pteridophytes, (6) cycads, (7) ginkgos, (8) conifers, (9) gnetophytes, and (10) flowering plants C. (1) Hepatophyta, (2) Anthocerophyta, (3) Bryophyta, (4) Lycopodiophyta, (5) Pteridophyta, (6) Cycadophyta, (7) Ginkgophyta, (8) Coniferophyta, (9) Gnetophyta, and (10) Anthophtya D. (1) liverworts, (2) hornworts, (3) mosses, (4) lycophytes, (5) ferns, horsetails, and whisk-ferns, (6) cycads, (7) ginkgos, (8) conifers, (9) gnetophytes, and (10) flowering plants E. all the other choices provided are correct.
What is the most common blood type in the U.S. population?
A) type O- B) type B+ C) type AB- D) type O+
According to the most current classifications, which group is the most different from all the others?
A) bacteria B) fungi C) animals D) archaea