What did they find out about mating preference when it came to the appearance of the finches (size and beak shape)?

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above