<span>In the sentence "Biologists recognize the following levels of cell organization: _____, the choice that correctly completes the sentence is b. cellular, tissue, organ, system, and organism. A cell is the basic unit of living organisms. The group of similar cells that work together to perform a specific job is a tissue. The group of multiple tissues joined together in the functional structure is an organ. Functionally related organs form organ systems, which all together form one organism.</span>
All science involves observation.
Answer:
The Galapagos cormorant has vestigial wings that don't help it to fly or swim, though the birds still dry them off in the sun after they get wet, just as if they would if they still could use them to fly. This species diverged into a flightless bird about 2 million years ago.
Explanation:
Biological macromolecules are synthesized by dehydration
synthesis reactions and are broken down by hydrolysis
reactions.
<h3>What are Biological macromolecules?</h3>
These are formed from smaller compounds and are necessary
for proper life functions of cells. Examples of these
macromolecules include:
Dehydration synthesis involves the loss of water molecules in
the process while hydrolysis reaction involves the addition of
water molecules.
Read more about Macromolecules here brainly.com/question/5246898
