Biology, 20.11.2019 08:31 lucialovell6804
Several bacterial colonies are placed on a petri dish that contains agar with antibiotics. after 24 hours, ninety percent of the original bacterial colonies die, but the remaining ten percent survive and later reproduce. which of the following theories is demonstrated by this experiment?
Answers: 2
Biology, 21.06.2019 20:40
Aphids are tiny insects that feed on plants. ladybugs are to plants because they eat aphids. which type of organism are aphids in this scenario? co decomposers predators prey producers
Answers: 1
Biology, 22.06.2019 05:30
One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing
Answers: 3
Biology, 22.06.2019 06:30
Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots
Answers: 1
Biology, 22.06.2019 07:00
Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.
Answers: 1
Several bacterial colonies are placed on a petri dish that contains agar with antibiotics. after 24...
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