At the bottom or base of a pyramid of energy are the
a. primary producers.
b. secondary producers.
c. primary consumers.
d. secondary consumers.
e. tertiary consumers.
A
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Which of the following STDs are preventable through the use of a vaccine?
A. hepatitis A and HIV B. syphilis and vaginal infections C. HIV and gonorrhea D. hepatitis A and B E. hepatitis B and chlamydia
Following binomial nomenclature, which of the following makes up the scientific name of an organism?
A) The species name and then the genus name B) The genus name and then the species name C) The family name and then the genus name D) The species name and then the family name E) The genus name and then the order name
You find a moldy orange in your produce bin in your kitchen cupboard. What characteristics of this environment
(consider both the orange and your kitchen) contributed to the growth of this mold? Why could a plant not have grown in this cupboard? What will be an ideal response?
The unique double shells of diatoms are made of
A. silica. B. chlorophylls. C. proteins. D. cellulose. E. agar.