Biology, 03.12.2019 03:31 Ciarrathereal
Natural selection is a gradual, nonrandom process by which biological traits become more or less frequent within a population. which of the following are necessary conditions for natural selection to occur within a population of staphylococcus aureus? traits that permit an individual to survive at least until reproduction will increase in frequency over time.
there is adaptation.
some individuals in the population reproduce more than others.
traits are hereditary.
some individuals within the population are optimally adapted for survival.
individuals in the population vary from one another.
deleterious (harmful) genes are removed from the population.
Answers: 1
Biology, 21.06.2019 20:00, zaratayyibah
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
Answers: 1
Biology, 22.06.2019 01:10, taylorwhitfield6
Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells
Answers: 2
Biology, 22.06.2019 04:30, seannalove6168
Long term exposure to waves can cause sunburns and skin cancer.
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Natural selection is a gradual, nonrandom process by which biological traits become more or less fre...
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