Two weeks ago your nephew came down with the chickenpox while visiting. now you have itchy, crusted spots on your arms and you feel terrible. you probably were infected with the chickenpox virus when your nephew was there but did not get sick until now because of the incubation period. inoculation period. antibody activity. immune response.

Ameadow ecosystem includes many species of grasses and small shrubs, several herbivores, and a few carnivores. a fungus colonizes the meadow and kills most of its vegetation. what is most likely to happen to the populations of herbivores and carnivores in the ecosystem? a. the populations of herbivores and carnivores will increase because there will be less competition for chemical energy. b. the populations of herbivores and carnivores will remain stable because the fungus cannot infect these organisms. c. the populations of herbivores will decrease because of vegetation loss, but the population of carnivores will remain stable. d. the populations of herbivores and carnivores will decline because less chemical energy will be stored in the ecosystem.

Which of the following best describes the purpose of technology?

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?