Which are deuterostomes?
a. annelids
b. echinoderms
c. arthropods
d. mollusks
e. flatworms
b
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During DNA replication, which enzyme removes the RNA primers and then fills in the gap?
A. DNA pol I B. DNA primase C. DNA pol III D. DNA ligase
Which type of ecosystem is found on less than 2% of the Earth’s surface?
a. freshwater ecosystem b. terrestrial ecosystem c. marine ecosystem d. temperate ecosystem
Which of the following correctly lists the levels of biological organization?
1.tissue, cell, organ, organ system, organism 2.cell, organ, tissue, organ system, organism 3.cell, tissue, organ, organ system, organism 4.cell, tissue, organ system, organ, organism
The evolutionary relationships between the eukaryotic supergroups are depicted in the diagram.Which of the following pairs of protists would be most closely related due to both of them possessing plastids?
A. archaeplastids & rhizaria B. archaeplastids & stramenopiles C. amoebozoans & excavates D. rhizaria & amoebozoans