Which of the following is true for a cell that has DNA present inside a nucleus? (5 points) It must be a part of the oldest known fossils.
It must be a part of a eukaryote.
It must be a part of a bacterium.
It has a nucleoid.
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Which best explains why an iceberg floats?

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

What best discribes the relationship between wavelength and frequency in a electromagnetic wave