Which prokaryotic group is most closely related to eukaryotes?
A) Bacteria
B) Protista
C) Archaea
D) Bacteria and Archaea are equally closely related.
C
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Which statement about abiotic factors in aquatic biomes is true?
a. Movement affects the availability of nutrients in both rivers and oceans. b. The numerous photosynthetic organisms in abyssal zones require sunlight. c. Chemosynthetic bacteria are found primarily in brackish water. d. Dissolved solids are found in oceans but not rivers.
Which of the following is NOT possible for
incomplete flowers?
a. self-pollination b. attract pollinators c. form seeds d. form fruits e. all of these are possible for incomplete flowers
In humans, the cranial border of the pelvis is _____ to the thigh.
Fill in the blank(s) with the appropriate word(s).
When e-cadherin expression ___ this increases invasiveness of tumor cells.
a. increased b. decreased c. stays the same d. none of the above