Topic 11

Question 1

What is an ecosystem?

Answer 1

Systems conformed by biotic communities related to abiotic factors, they interact.

Question 2

Biomes

Answer 2

Large ecological areas with flora and fauna ADAPTED to their environment

Question 3

Essential components of the ecosystems

Answer 3

-Producers or autotrophs
-Consumers or heterotrophs
-Decomposers

Question 4

Emergent properties of ecosystems

Answer 4

*Primary productivity = new organic matter is develop
*Secondary productivity= chemical into biomass
*matter flow = speed and path of chemicals
*Energy flow = speed of energy into ecosystem
*Trophic structure= organisms are organized
*Decomposition rate= material to chemicals
*ecological efficacy= measure of energy
*biomass= emergy amount accumulated

Question 5

Biogeochemical cycles

Answer 5

Energy and mass flux

Question 6

Trophic webs

Answer 6

-producers
-primary consumers herbivores
-secondary consumers (wolves)
-tertiary consumers (scavenger birds)