Aprokaryote is more likely to use which of the following modes of metabolism to release energy if it is in an environment without oxygen, dies when exposed to oxygen, and uses fermentation
a: obligated anaerobe
b: facultative anaerobe
c: heterotroph
d: photoautotroph

Proteins are made from amino acids. an amino acid has three parts that are joined to a central carbon atom. identify the three parts that create an amino acid.

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Why is it important to study each branch of earth science?