Yeasts life cycle is categorized as

Disinfection of impression materials is usually accomplished by a. sterilization with high heat. b. spray or immersion in a chemical disinfectant. c. sterilization with steam under pressure. d. allowing the impression to sit 24 hours in water until all the organisms die.

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic