biomass transfers through organisms

Question 1

how biomass transfers bw trophic levels can be measured

Answer 1

.

Question 2

producers

Answer 2

photosynthetic organisms which provide organic chemicals to other organisms

Question 3

consumer

Answer 3

.

Question 4

how can human activities can manipulate the transfer of biomass through ecosystems

Answer 4

artificial light
increase temp
restrict movement of animals
carefully control animal feed

Question 5

how is energy lost from the secondary consumer

Answer 5

thermal energy from aerobic respiration

chemical energy lost by egestion and excretion

Question 6

trophic level

Answer 6

each stage of a food chain

Question 7

how to measure dry biomass of each trophic level

Answer 7

remove water from one org in the trophic level

burn one gram of mass in a calirometer to measure the energy content

Question 8

how is energy lost from the secondary consumers

Answer 8

thermal energy from aerobic respiration

chemical energy lost by egestion, excretion

Question 9

total energy content in the pop

Answer 9

n’org x mean dry mass of one org x e content of 1g of dry mass

Question 10

efficiency

Answer 10

useful e out/ energy in x 100%