A system that consists of tributaries, watersheds and divides is called a. lake system
C.
river system
b. ocean system
d. pond system

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

Which of the following is the most likely outcome of global warming

Why was mendel's work not accepted at the time? o a. his results were false. o b. he did not repeat his experiments. o c. he did not have any data. o d. his results were surprising,