Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct? become extinct learn to fix nitrogen benefit in the long run stay the same
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Biology, 21.06.2019 20:00
Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data
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Biology, 22.06.2019 03:00
Match with o for organic and i for inorganic for each compound
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Biology, 22.06.2019 14:30
What happens when a plant is losing too much water through transpiration? question 14 options: stomata open stomata close guard cells swell respiration increases
Answers: 1
Biology, 22.06.2019 15:30
Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food
Answers: 1
Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organism...
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