Ecosystems and Human Health

Flashcards about energy in ecosystems, food choices, and processing impacts based on lecture notes.

Producer

Organism that produces food and passes on energy to other organisms.

Heterotroph

An organism that feeds on another organism for energy.

Autotroph

An organism that creates its own food for energy using photosynthesis.

Predator

One who hunts other organisms for food.

Prey

One who gets eaten by another organism.

Primary Consumer

The first one to consume from the producer.

2nd Consumer

The second one to consume from the producer.

Ter Consumer

The last consumer.

Herbivore

An organism that eats only plants.

Carnivore

An organism that eats only meat.

Omnivore

An organism that eats both plants and meat.

Ten % Rule

Only about 10% of energy at any trophic level is transferred to the next level.

Decomposer

Bacteria and fungi break down dead leaves, logs, and animal carcasses.

Food Preservation

Methods to inhibit (stop) the growth of bacteria and fungi.

Niacin

Essential for cellular respiration and energy production.