Energy flow in ecosystems - Tristan Daniels Flashcards
What is a Food Chain?
The distribution and fate of energy flowing through ecosystems.
What is a Food Web?
Represent feeding relationships.
What is an Ecological pyramid?
A graphical representation of energy possessed by organisms of each trophic level.
Name the different trophic levels.
Producers Primary Consumers Secondary Consumers Tertiary Consumers Decomposers
What does producers do?
They produce carbohydrates using photosynthesis.
How do primary consumers survive?
They feed on the food which was produced by the producers.
What does secondary consumers do to survive?
They prey on the primary consumers.
What does tertiary consumers do to survive?
They hunt or even scavenge on primary or secondary consumers.
What is decomposition?
The breakdown of waste and dead organisms by organisms called decomposers through biodegradation.
What is a herbivore?
An animal that only eats plants.
What is an omnivore?
An animal that eats both plants and meat.
What is a carnivore?
An animal that only eats meat.
