In pea plants, purple flowers (p) are dominant over white flowers (p). if two heterozygous purple-flowered plants are crossed with each other, then what are the possible genotypes of the offspring? a) pp only b) pp and pp c) pp and pp d) pp, pp and pp

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.

What is the most abundant vertebrate on earth?