Which of the following is NOT a way that new alleles or traits can be brought into a population? 1) Mutations

2) Overpopulation

3) Genetic Drift

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.