Periods of stasis, during which organisms do not change in the fossil record, can be accounted for in modern evolutionary theory by understanding that -

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment