Hi, friend!
The Answer is Mechanical energy!
Match each form of Energy with it's definition. The sum of an object's kinetic and potential energies?
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Answer: C. Linear chromosomes lacking introns
Explanation: Eukaryotes have linear chromosomes. After cellular replication, introns are spliced in eukaryotes and only keep the exons. This process also includes a 5’ cap and a poly-A tail.
Answer:
The North Atlantic Drift, more formally known as the North Atlantic Current.
Explanation:
The current is pretty strong and increased travel speed significantly, especially back in the day when cross-atlantic travel took months.
False, it's extremely difficult for scientists to agree upon what makes relatively close species different when it comes to extremely technical factors. Whether something is simply a single deformation of a specimen/family or the discovery of an entirely new species. However there are species that are concretely defined, like humans, and it's unlikely that evolution will introduce a new version of humanity any time soon - but if it came to be that 5000 years in the future humans were genetically a world different than how we are today, I suspect it would be a long argument on whether or not they should be classified as a new species by their scientific leaders.
