Which of the following explains the inversion of the aquatic pyramid of biomass?

a. high phytoplankton turnover rate
b. slow aquatic predator metabolisms
c. small number of aquatic consumers
d. high energy content of phytoplankton

Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.

Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?