The age structure diagram for rapidly growing populations:
a. is in the form of an hour glass, with large young and old populations
b. is characterized by a large percentage of the population in the postreproductive years
c. has a small base showing a reduced number of young
d. has about equal distribution between all age groups
e. is in the form of a pyramid and has a very broad base showing a large number of young
e
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A. Reticulin B. Collagen C. Adipose cells D. Elastin E. Chondroitin
Vertebrates have four Hox gene clusters that control the anterior-posterior axis. Indicate whether the statement is true or false
Van der Waals interactions
A) are another name for hydrogen bonds. B) occur when temporary dipoles within molecules form that are not the result of hydrogen bond to O, N, or F atoms. C) are responsible for the repulsion between hydrophilic and hydrophobic compounds. D) are stronger than either hydrogen bonds or ionic bonds. E) exhibit a force of repulsion that serves to destabilize molecules.
Competition between beneficial microbes and potential pathogens is called microbial (antagonisms/synergy/toxicity).
Fill in the blank(s) with the appropriate word(s).