What are the macronutrients that humans consume? Choose ALL that apply.
A. Grass
B. Carbohydrates
C. Rocks
D. Sand
E. Fats
F. Worms
G. Proteins
H. Air

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Which step is not included in the step approach to calculating the greatest common divisor?

Which of the following explains why a tree is often used as a model to represent the principle of common descent