Chapter 3 Section 2 Energy, Producers, and Consumers

123456789101112
Across
  1. 4. animals that consume the carcasses of other animals that have been killed by predators or have died of other causes.
  2. 6. bacteria and fungi “feed” by chemically breaking down organic matter.
  3. 7. captures light energy and uses it to power chemical reactions that convert carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches.
  4. 8. organism that relies on other organisms for its energy and food supply; also called heterotroph.
  5. 10. must acquire energy from other organisms by consuming them; also called a consumer.
  6. 11. use solar or chemical energy to produce “food” by assembling inorganic compounds into complex organic molecules.
  7. 12. animals whose diets naturally include a variety of different foods that usually include both plants and animals.
Down
  1. 1. are the first producers of energy-rich compounds that are later used by other organisms.
  2. 2. organism that feeds on plant and animal remains and other dead matter.
  3. 3. a process in which chemical energy is used to produce carbohydrates.
  4. 5. obtain energy and nutrients by eating plant leaves, roots, seeds, or fruits.
  5. 9. obtain energy and nutrients by kill and eat other animals.