Earth can be divided into how many physical layers

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f

Which of the following is a true statement? question 8 options: populations can't evolve, only individual organisms. individuals have adaptations that can change over time. individuals have traits that may or may not make them successful at reproduction. individuals evolve to have adaptations.

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?