Across
- Organsisms that obtain energy by eating only plants.
- When the feeding relationships among various organisms in an ecosystem form a network of complex interaction, this is called a __________.
- The total amount of living tissue within a given trophic level is called __________.
- Another word for autotrophs.
- The scientific study of interactions among organisms & their environment.
- Another word for heterotrophs.
- When organisms use chemical energy to produce carbohydrates, the process is called __________.
- Contains the combined portions of the planet in which life exits, including land, water, & air.
- Groups of individuals that belong to the same species and live in the same area.
- Onle plants, some algae, and certain bacteria can capture energy from sunlight or chemicals and use that energy to produce food. The organisms are know as __________.
- Organisms that obtain energy by eating plant and animal remains and other dead matter.
- Organisms that obtain energy by eating only animals.
- Organisms that obtain energy by eating both animals and plants
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Down
- Autotrpohs harness solar energy through a process called __________.
- A collection of organisms that live in a particular place, together with their nonliving environment.
- Organisms thats rely on other organisms for their energy and food supply are called __________.
- A group of ecosystems that have the same climate and similiar dominant communities.
- Each step in a food web or food chain is called a __________.
- The amount of energy of matter in a ecosystem can be represented by a(n) __________.
- Different populations that live together in a defined area.
- A group of organisms so similiar to one another that they can breed and produce fertile offspring.
- A series of steps in which organisms transfer energy by eating and being eaten.
- Organisms, such as bacteria and fungi, break down organic matter.
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