What is the mass number of the isotope lithium-7?
lithium has 3 protons. how many neutrons are in the isotope lithium-8?

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

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.

Yeast cells reproduce quickly by budding. this is a form of reproduction so all the yeast cells a) sexual; vary b) asexual; vary c) asexual; are identical d) sexual; differ from the parents submit hint structures and functions of cells cellular reproduction