Ecosystem Vocabulary

2. A diagram that shows the energy flow among overlapping food chains within an ecosystem.
7. A ________ consumer is an organism that obtains energy by eating producers.
9. An organism that can produce its own food, such as through the process of photosynthesis; also known as an autotroph.
10. The ability to live or exist.
12. All the living and nonliving things in an area.
13. A diagram that uses arrows to show a singular path of energy flow from one organism to another.
14. Energy _______ The movement of energy from one organism to another in ecosystems.
15. A ________ consumer is an organism that obtains energy by eating secondary consumers.
16. The process by which plants make their own food by transforming radiant energy into chemical energy in the form of glucose.
18. _____ percent rule is a guideline for calculating the approximate amount of energy passed from one trophic level to the next in an energy pyramid.
19. An organism that breaks down dead organisms and waste.

1. A ________ consumer is an organism that obtains energy by eating primary consumers.
3. _______ level A level or position in a food chain or food pyramid occupied by a group of organisms that have a similar feeding mode.
4. An organism that cannot produce its own food and must obtain energy by consuming other organisms; also known as a heterotroph.
5. A natural __________ is any event that causes damage, such as a storm, flood, drought, or fire, caused by environmental factors.
6. An event that causes change to an ecosystem.
8. Energy _______ The process of changing one form of energy into another.
9. Energy _______ A diagram that shows the flow of energy from one trophic level to the next trophic level in an ecosystem.
11. A group of organisms of the same species that live in the same area and breed with each other.
17. The ability to cause change, it exists in many forms.