A community is composed of different populations of animals and plants.
Answer the following statement true (T) or false (F)
True
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Why is it a good idea to immunize little boys against rubella?
A. As this is a sexually-transmitted disease, vaccinating girls AND boys early in their lives prevents the spread of the disease in adulthood. B. We want to achieve herd immunity, and there's no reason why only girls would be infected by this virus. By vaccinating the entire population, we achieve a higher degree of herd immunity than is possible by vaccinating only girls. C. Only boys get this disease, and one of the common complications is sterility. D. While this disease is quite strikingly symptomatic in girls, it is completely asymptomatic in boys. Boys can be carriers and transmit it easily to girls they are in close proximity to without realizing it through respiratory secretions. This can lead to large-scale and dangerous outbreaks in the female population.
Stanley Miller constructed an apparatus containing water vapor, hydrogen gas, methane, and ammonia and energized it with electricity in a model of the atmosphere of early Earth. The apparatus produced all of the following choices except ________
a. living cells b. sugars c. amino acids d. organic compounds
TRAIT SPECIESABCDE111011211010311100410000511100611011The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, while "1" indicates the derived condition. Which trait is least informative of phylogenetic relationships within the group?
A. A B. B C. C D. D E. E
________ is a type of an allergic response in which the release of histamines triggers breathing passages to become narrow.
Fill in the blank(s) with the appropriate word(s).