Answer:
the answer is B
Explanation:
because pangaea was a super continent
They return nutrients from waste or dead organisms back into the ecosystem to be recycled.
Inbreeding compresses the gene pool, making it more likle for a genetic abbheration to occur.
The basic difference is that eukaryotic cells have a nucleus and prokaryotic cells do not have a nucleus.
Answer:
B
Explanation:
Organic chemistry is defined as the study of carbon compounds.
Organic compounds were first thought to be compounds that could only be produced by living organisms. This theory was disproved when scientists synthetically made urea from ammonia in a lab.
Organic compounds are now known as compounds where carbon atoms are covalently bonded to other elements. This could be hydrogen or oxygen (in the case of lipids or carbohydrates) or nitrogen (in the case of amino acids).
