1st internal assessment retest AECC 2

What is a cause and effect factor for environmental degradation?

• Deforestation

• Pollution

• Poverty

• Environmental degradation

The energy flow in an ecosystem passes from one tropic level to the next trophic level in:

• 10%

• 90%

• 100%

• 50%

Pyramid of energy is always

• Upright

• Inverted

• Partially upright

• Partially inverted

The Universal energy flow model was explained by E.P. Odum.

• True

• False

Ecological pyramid is a/an

• Food web

• Animated illustration

• Ecological cycle

• Graphical representation

Which of the following is not a social factor of environmental degradation?

• Market failure

• Poverty

• Population

• Urbanization

An upright pyramid of biomass represents a

• Pond ecosystem

• Parasitic food chain

• Grassland ecosystem

• Forest ecosystem

Second Law of Thermodynamics states that energy can neither be created nor destroyed.

• True

• False

Y-shaped energy flow model can be represented by

• Grazing food chain and parasitic food chain

• Detritus food chain and parasitic food chain

• Grazing food chain and Detritus food chain

• Parasitic food chain and marine ecosystem

The conversion of solar energy to biochemical energy through the process of photosynthesis follows the

• First Law of Thermodynamics

• Second Law of Thermodynamics

• Mendel's First Law

• Faraday's Law