Complex feeding patterns for consumers in an ecosystem are called
a. food webs
b. food chain links
c. trophic levels
d. pyramids of energy
e. pyramids of biomass

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

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

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots