What do paleontologists use to determine the actual age of rocks? a.) biogeography b.) radioactive dating c.) geologic time scale d.) relative age

Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria