Biology, 03.09.2020 22:01 douglife8057
Which of these best demonstrates mutualism between certain types of
bacteria and humans?
A. Intestinal bacteria obtain nutrients from the gut and produce vitamin K used by
humans.
B. Bacteria become resistant to antibacterial medication that humans use for treatment.
C. Invasive bacteria at an area of injury produce toxins that damage healthy tissues of
the human body
D. Bacteria in improperly prepared food is consumed by humans, causing food
poisoning.
Answers: 3
Biology, 22.06.2019 01:20
Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.
Answers: 1
Biology, 22.06.2019 01:30
The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?
Answers: 1
Biology, 22.06.2019 08:30
Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring
Answers: 1
Which of these best demonstrates mutualism between certain types of
bacteria and humans?
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