Studies have determined that all of the following except ______ are responsible for the cyclical rise
and fall of arctic hare and lynx populations.
a. predation
b. a limited food supply for hares
c. predation by other mammals
d. intraspecies competition
e. disease
E
You might also like to view...
How do epithelial cells obtain their nutrients? a. Direct blood supply from an artery
b. Nutrients are delivered by macrophages. c. Direct blood supply from a vein. d. Diffusion from adjacent cells. e. Osmosis of nutrients from underlying tissue.
Based on the currently accepted theories for the evolution of eukaryotic cells, which of the following cell structures currently found in green algae evolved by modification of the plasma membrane of an ancestral cell?
A. The nuclear envelope B. The endoplasmic reticulum C. The outer membrane of mitochondira D. The outer membrane of chloroplasts E. Answers A and B F. Answers B and C G. Answers A, B, and C H. Answers A, B, C, and D
The DNA in a prokaryotic cell is in the ________ region of the cytoplasm
Fill in the blank(s) with correct word
A stool sample is obtained from a patient with diarrhea and fever. A Gram-negative bacillus that is an obligate anaerobe is isolated from the sample. Which of the following genera might it be a member of?
A. Bacillus B. Bacteroides C. Clostridium D. Escherichia E. Brucella