Lesson 1. Energy Flow In Ecosystems Flashcards
What is a producer ?
An organism that can make its own food is a producer
What is a consumer
An organism that obtains energy by feeding on other organisms is a consumer
What are herbivores ?
Consumers that only eat plants
What are carnivores ?
Consumers that only eat animals
What are omnivores ?
Consumers that only eat both plants and animals
What is a scavenger
A carnivore that feeds on the bodies of dead organisms
What are decomposers ?
Decomposers break down biotic wastes and dead organisms
How does energy move through a ecosystem ?
Energy moves through an ecosystem when one organism eats another
What are food chains ?
A series of events in which one organism eats another and obtains energy
What are food webs ?
A food web consist of many overlapping food chains in an ecosystem
What is a energy pyramid
An energy pyramid shows the amount of energy that moves from one feeding level to another in a food web
What are the organism’s energy roles in an ecosystem ?
An organism’s energy role is determined by how it obtains food and how it interacts with other organisms
