An allergic response is not typically caused by a. harmless antigens b. pollen c. histamine d. both a and c i'm conflicted because histamine causes the physical response but pollen and harmless antigens cause histamine

What is the importance of having the us forest service, the bureau of land management, the us fish and wildlife service, and the national park service? to manage land resources for conservation and the development of natural resources to manage land resources for conservation and the development of urban areas to preserve historical landmarks and manage the development of urban areas to preserve historical landmarks and manage the development of rural areas

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.

The color of the fur is the genotypephenotype. the genetic combination of alleles that determine the fur color is called the genotypephenotype.