Based on the tree shown, pollen is a synapomorphy defining which of the following taxa as sister groups?

A. angiosperms and gymnosperms
B. angiosperms, gymnosperms, and ferns
C. ferns and gymnosperms
D. ferns and angiosperms
E. hornworts and gymnosperms


A

Biology & Microbiology

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a. protoderm b. apical meristem c. ground meristem d. vascular cambium e. procambium

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Most transplanted kidneys come from ____

a. living donors b. cadavers c. other animal species d. laboratory grown tissues e. individuals compensated for kidney donation

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Which of the following is considered to be

most closely related to land plants? a. red algae b. chlorophytes c. charophytes d. trypanosomes e. all of these

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Response to a stimulus, such that the effect of the stimulus is counteracted, is called ________ feedback

A) positive B) simple C) holistic D) negative

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