Which of the following items can be classified as a density independent factor in population growth?
A) temperature B) drinking water supply
C) disease D) food supply
Answer: A
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The function of the iris is to ____
a. control the amount of light entering the eye b. focus the image on the retina c. respond to particular colors d. keep the lens under tension to allow for image focusing e. prevent light scattering upon entry to the eye
An organism that cannot tolerate an oxygen environment is a(n) ________.
A. microaerophile B. obligate anaerobe C. aerobe D. facultative anaerobe E. obligate aerobe
Septa divide the actinomycete mycelia into cells, each containing a single nucleoid.
Answer the following statement true (T) or false (F)
The ________ hypothesis proposes that mitochondria and chloroplasts developed from free-living prokaryotes that invaded a precursor to the eukaryotes and established a stable relationship.
What will be an ideal response?