Select the descriptions that apply to all of the following non-hemorrhagic fever diseases: Brucellosis, Q fever, Erlichiosis, and Rocky Mountain Spotted fever. A. Caused by a gram-negative rod.
B. Doxycycline is used for treatment.
C. Bacterium causing the disease is transmitted by a vector.
D. Vaccines are available.
E. Cause capillary fragility.

Options A, B,C.

Explanation:

Non hemorrhagic fever diseases are caused by bacteria especially gram negative bacteria and these diseases are associated with fever.

Brucellosis is caused by brucella species which is gram negative present in unpasteurized diary products.

Rocky Mountain spotted fever is spread by tick bites which is a vector that carries Rickettsia bacteria.

Q fever is caused by Coxiella burnetii bacteria which affect ruminants and humans get infected by inhaling contaminated dusts.

These diseases can be treated with Doxycycline antibiotics.

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.