Which of the following has a gametophyte dominant lifestyle?
a) whisk ferns
b) liverworts
c) conifers
d) flowers
e) horsetails
Answer: b) liverworts
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A sorus is a cluster of ____
a. sporangia b. fronds c. strobili d. gametangia e. rhizomes
Which of the following organisms has the simplest digestive system?
a. earthworm b. jellyfish c. grasshopper d. clam e. more than one of these organisms has the simplest digestive system
Which of the following correctly describes the locations of transcription and translation within a eukaryotic cell?
a. Both transcription and translation occur in the cytosol. b. DNA is transcribed in the nucleus, then the mRNA transcript is transported to the nucleosomes to be translated into protein. c. Both transcription and translation occur in the nucleus. d. DNA is transcribed in the cytosol, then the mRNA transcript is transported into the nucleus to be translated into protein. e. DNA is transcribed in the nucleus, then the mRNA transcript is transported to the cytosol to be translated into protein.
In some species, sex is determined by environmental, rather than genetic, factors. This is true of:
a) kangaroos. b) humans. c) bees. d) turtles. e) birds.