Organelle that changes chemical energy in food into usable compounds?

Theories basic to all of the life sciences include the germ theory of disease. theory of evolution by natural selection. o two of these answers are correct none of these answers are correct o cell theory.

In which situations is the principle of cross-cutting relationship useful in determining relative age?

Which of the following is the sl unit used to measure temperature a. kilogram b. liter c. meter d. kelvin