Adult Urochordates (tunicates) and adult Cephalochordates (lancelets) both have similar ways of obtaining food. Characterize their mode of feeding
What will be an ideal response?
They both filter feed, eating plankton and detritus.
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What products would be expected to form during anoxic degradation of the seven-carbon compound benzoate following reduction and cleavage of the aromatic ring?
A) 1 three-carbon compound and 1 four-carbon compound B) 1 three-carbon compound and 2 two-carbon compounds C) 2 three-carbon compounds and CO2 D) 3 two-carbon compounds and CO2
Miller and Urey's experiment was ground breaking because
A. This was the first example of an experiment being used that inserted oxygen into the prebiotic soup. B. This was the first attempt to apply scientific experimentation to the quest of understanding the origin of life. C. They hypothesized what could have been the first molecules formed, but they could not demonstrate this in a scientific experiment. D. This was the last experiment that used boiling water as a trigger mechanism for the production of macromolecules. E. This was the first experiment based on the theory that organic carbon actually arrived from outer space.
Which are nursery grounds for many invertebrates
and fish? a. photic zones b. benthic zones c. estuaries d. pelagic zones e. limnetic areas
Chromosomes are most easily identified in which mitotic stage?
a. prophase b. metaphase c. anaphase d. telophase e. cytokinesis