2.2 - KOGNITY - TRUE OR FALSE

Aquaponics is a mutualistic ecosystem that combines aquaculture with hydroponics.

• True

• False

Non-biodegradable pollutants like DDT are easily broken down by ecosystems.

• True

• False

Mercury pollution is commonly introduced into ecosystems through atmospheric deposition.

• True

• False

Producers form the second trophic level in a food chain.

• True

• False

The first law of thermodynamics states that energy can neither be created nor destroyed.

• True

• False

Saprotrophs digest detritus externally by releasing enzymes.

• True

• False

Ecological pyramids can represent energy, biomass, or numbers of organisms at each trophic level.

• True

• False

Autotrophs are organisms that consume other organisms for energy.

• True

• False

The process of biomagnification leads to higher toxin levels at the top of the food chain.

• True

• False

Maximum sustainable yield (MSY) is the net gain in biomass after accounting for respiration losses.

• True

• False