Changes that occur at the genetic level in populations are classified as ________
A) chemical evolution
B) microevolution
C) gradualism
D) macroevolution
B
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In a dividing plant cell, a phragmoplast structure forms during telophase that directs vesicles carrying cell wall components to the middle of the cell, assembling a new cell wall called the cell plate
A. true B. false
In a lichen, the photosynthetic partner, or photobiont, usually receives ____
a. nutrients b. protection from herbivory c. aid in sexual reproduction d. enhanced dispersal of offspring e. shelter from radiation and desiccation
The evolution of _____ resulted in an increase in the levels of atmospheric oxygen
a. sexual reproduction b. aerobic respiration c. the noncyclic pathway of photosynthesis d. the cyclic pathway of photosynthesis
Which of the following statements is NOT true of the
structures labeled “D” in the figure? a. They are sexual spores. b. They are haploid. c. They will germinate to produce a new mycelium. d. They will give rise to different mating strains of the fungus. e. They may fuse to produce a zygote.