100 POINTS ! Why is there less biomass at the top of the energy pyramid?
A: Secondary and tertiary consumers live longer, so there are fewer of them because they reproduce more slowly.

B:Secondary and tertiary consumers are larger, so there are fewer of them.

C:Secondary and tertiary consumers have bigger ranges, so there are fewer of them because they each need a lot of space.

D:Secondary and tertiary consumers have to consume a lot more food to support themselves, so there are fewer of them.



Using the ten percent rule, determine how many kilocalories of energy the tertiary consumer tuna will receive.

Algae 130,000 | Shrimp | Lantern Fish | Tuna

A: 135 Kcal

B: 135,000 Kcal

C: 13,500 Kcal

D: 1,350 Kcal

from my research i have to the conclusion that decomposers, such as fungi, bacteria and invertebrates, play a critical role in nutrient cycling and without them the earth's ecosystem may not support life as we know it. elements such as carbon, nitrogen and phosphorus exist in limited amounts on earth, although huge amounts of carbon are being released into the atmosphere from underground sources now by humans. it is still extremely important that other nutrients be retained by the process of re-use. decomposers are organisms that are able to chemically break down dead material and make these elements available for use by other organisms. without this breakdown of dead material, dead bodies would pile up. so decomposers also play a role in clean up also. without them, life might not continue as we know it and dead material would overwhelm the earth.    

b - the respond is innate and varies over time.

good luck!

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.