Which statements help explain the scientist's conclusions? Select all of the answers that apply.

A. All 8 species of modern bears have the same adaptations

B. The same ancestral bear species can give rise to two or more species of modern bears.

C. Each of the 8 species of modern bears may have high fitness in only somehenvironments.

D. All of the 8 species of modern bears have equally high fitness in any environment where bears live.

E. One of the species of modern bears was the ancestor of all the other bear species.

Depending on the organism the number of in a cell may change

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping