A ________ estuary has sharp boundaries between saltwater and freshwater
a. well-mixed
b. partially mixed
c. salt wedge
d. fjord
c
You might also like to view...
Which of the following sequences correctly lists the hierarchical nature of cellular structures, from smallest to largest?
A) organic molecules, supramolecular structures, macromolecules, organelles, cells B) organelles, organic molecules, supramolecular structures, macromolecules, cells C) organic molecules, macromolecules, organelles, supramolecular structures, cells D) organic molecules, macromolecules, supramolecular structures, organelles, cells E) macromolecules, organic molecules, supramolecular structures, organelles, cells
The measure of differential survival and reproductive success is termed _____________________
Fill in the blank(s) with correct word
Escherichia coli O157:H7 is a major cause of hemorrhagic colitis in the United.States.
Answer the following statement true (T) or false (F)
The reason that some individual hormones have so many different effects is that
a. they influence gene transcription. b. they trigger a second messenger system that produces a cascade effect. c. there are a great many different cells in different tissues that have specific receptors for the hormone. d. the hormone is carried throughout the body and only a small amount is needed to produce its effect. e. they are polar molecules.