Imagine an Invertebrate That Lives in an Estuary Where Salinity

question 21

Multiple Choice

Imagine an invertebrate that lives in an estuary where salinity varies cyclically with the tides. If this animal practices homeostasis with respect to the salt concentration of its body fluids, its salt concentration will show ________.

• A)no fluctuations
• B)slight, continuous fluctuations
• C)a more concentrated state than the surrounding water at all times
• D)a more diluted state than the surrounding water at all times

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Definitions:

Latin

An ancient Indo-European language of the Italic branch, historical language of the Roman Empire, and a foundation for many modern languages' vocabulary and grammar.

Woese

Woese refers to Carl Woese, a microbiologist known for defining the Archaea (a new domain of life) through phylogenetic taxonomy of 16S ribosomal RNA, a technique that revolutionized the classification of microorganisms.

Prokaryotes

Microorganisms characterized by the absence of a distinct nucleus, including bacteria and archaea, with simpler cellular organization compared to eukaryotes.

DNA Sequences

The precise order of nucleotides within a DNA molecule, determining genetic information and instructions for the development and functioning of living organisms.