5 Written Questions
5 Matching Questions
- Carbon cycle
- a Cyclic movement of carbon in different chemical forms from the environment to organisms and then back to the environment.
- b Organisms that produce their own food
- c A consumer that eats both producers and other consumers
- d Organisms that eat living producers and/or other consumers for food
- e The entire portion of Earth inhabited by life; the sum of all the planet's ecosystems.
5 Multiple Choice Questions
- A measure of the total dry mass of organisms within a particular region
- Process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches.
- The carnivores in an ecosystem; organisms that feed on primary consumers
- The earth's liquid water (oceans, lakes, other bodies of surface water, and underground water), frozen water (polar ice caps, floating ice caps, and ice in soil, known as permafrost), and water vapor in the atmosphere. See also hydrologic cycle.
- Commonly digest decomposers that live on, and in, detritus particles, which they chew and grind into even smaller pieces.
5 True/False Questions
Biotic → Pertaining to life; environmental factors created by living organisms
Nitrogen cycle → Cyclic movement of carbon in different chemical forms from the environment to organisms and then back to the environment.
Autotrophs → Organisms that rely on other organisms for their energy and food supply
Organisms → A measure of the total dry mass of organisms within a particular region
Hydrologic (water) cycles → Continuous movement of water on, above and below the surface of the Earth.