(Question)
Q: Fossil records support the idea that periods of little change may be interrupted by bursts of rapid change, an evolutionary model contrasted by what? Read this paragraph and choose the correct option from the provided answers: When geologic and climatic conditions are changing, evolution may occur more quickly. Thus, long periods of little change may be interrupted by bursts of rapid change. This model of the timing of evolution is called punctuated equilibrium . It is better supported by the fossil record than is gradualism. Choices: - elitism - darwinian - minimalism - gradualism A:
(Answer)
gradualism

(Question)
Q: What type of vertebrates are birds? Read this paragraph and choose the correct option from the provided answers: Birds are endothermic tetrapod vertebrates. They are bipedal, which means they walk on two legs. Birds also lay amniotic eggs, and the eggs have hard, calcium carbonate shells. Although birds are the most recent class of vertebrates to evolve, they are now the most numerous vertebrates on Earth. Why have birds been so successful? What traits allowed them to increase and diversify so rapidly?. Choices: - epidermal tetrapod - invertebrates - exothermic - endothermic tetrapod A:
(Answer)
endothermic tetrapod

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Q: What is used as a vector for gene insertion in ex vivo gene therapy? Read this paragraph and choose the correct option from the provided answers: In ex vivo gene therapy, done outside the body, cells are removed from the patient and the proper gene is inserted using a virus as a vector. The modified cells are placed back into the patient. Choices: - typhus - penicillin - bacteria - virus A:
(Answer)
virus