What limits the number of trophic levels possible in an ecosystem? a. biodiversity
b. species interactions
c. precipitation
d. energy

15 points come and ! in which environment is someone least likely to find fungi growing? a around the sides of a hot tub b on a log in a tropical forest c beneath a mat in a shower d under a rock in the desert

What is the next step in muscle contraction after the actin changes shape? (apex)

9. the history of life on earth is recorded in