E. coli resides in our small and large intestines and, in the process of nourishing itself by digesting the "leftovers" it finds in our digestive tracts, provides us with (select all correct choices):
A. essential amino acids.
B. vitamin K.
C. essential fatty acids.
D. minerals such as zinc and iron.
E. vitamin D.
B
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When a cell has two complete sets of chromosomes, it is:
a. haploid b. duplicated c. diploid d. triploid e. complete
By a __________, transpiration pulls water upward
by creating a continuous negative pressure (or tension) inside xylem from leaves to roots. Fill in the blank(s) with the appropriate word(s).
What is the term given to the theory which states that the fertilized egg contains a complete miniature adult?
A) preformation B) transduction C) cell theory D) conjugation E) transformation
Resource partitioning may include all of the following except:a
relocating nesting sites. b. changing the time of day when feeding occurs. c. specialization on different types of prey. d. changing the season when reproduction occurs. e. intraspecific competition. What will be an ideal response?