Across
- 3. eats both plants and animals; examples include bears and humans
- 5. primary consumer
- 6. this is the first consumer in the food chain that eats the producer
- 9. only eats plants, examples include rabbits and grasshoppers
- 10. only eats animals; examples include lion and wolf
- 14. producers; have most energy
- 16. do not make their own food but get energy from eating other plants and animals; also called heterotrophs
- 17. secondary consumers and beyond
Down
- 1. this is the second consumer that eats the first consumer
- 2. the sequence of living organisms in which one organism consumes another organism to transfer food energy
- 4. shows the relationship between different organisms and the flow of energy in different trophic levels in an ecosystem
- 7. something that takes excess carbon out of the air. Examples include plants, trees, oceans
- 8. the process where consumers breathe in oxygen and breathe out carbon dioxide; it uses oxygen and glucose to make carbon dioxide, water, and energy
- 11. organisms that make their own food; also called AUTOtrophs (synonym); examples include plants, algae, microorganisms
- 12. interconnected food chains that show flow of energy in an ecosystem
- 13. when plants use energy from the sun, carbon dioxide, and water to make glucose (sugar) and oxygen (to be released into the air).
- 15. break down dead organisms and waste; often called nature’s recyclers; examples include fungi and bacteria
