ecosystem flash cards
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- An organism's energy role is an ecosystem may be that of a ____, ____, or ____.
- producer, consumer, decomposer
- _____ are the source of all the food in an ecosystem.
- producers
- Other organisms cannot make their own food. They depend on producers for food and energy. An organism that gets energy by feeding on other organisms is called a _____.
- consumer
- Consumers are classified by what they eat. Consumers that eat only plants are called ____.
- herbivores
- Consumers that eat only animals are called ____.
- carnivores
- A ___ eats both plants and animals.
- omnivore
- A __ is a carnivore that feeds on the bodies of dead organisms. An organism may play more that one role in an ecosystem.
- scavenger
- Organisms that break down wastes and dead organisms and return the raw materials to the environment are called ____.
- decomposers.
- The flow of energy through an ecosystem can be shown in diagrams called food ___ and food ___.
- food chains and food webs
- A ___ is a series of events in which one organism eats another and optains energy. The first organism in the chain is always called the ____.
- producer
- A ___ consists of the many overlapping food chains in an ecosystem.
- food web
- All the living and nonliving things that interact in a particular area make up an ___.
- ecosystem
- An organism obtains food, water, shelter, and other things it needs to live, gown and reporduce from its ___.
- surroundings
- A ___ is a group of organisms that are physically similar and can reproduce with each other to produce fertile offspring.
- species
- All the members of one species in a particular area are referred to as ___. All different populations that live together in an area make up a ____.
- population and community