Across
- 2. Cycle a process where carbon dioxide travels from the atmosphere into living organisms and the Earth, then back into the atmosphere
- 4. an animal or insect that only eats plants
- 7. all parts of and around the planet Earth where life can be found
- 8. close and long-term relationships between different species
- 9. the non-living factors in an environment
Down
- 1. Consumer an animal that obtains its nutrition by eating primary consumers and secondary consumers
- 3. a kind of relationship where one member benefits (the parasite) and the other member is usually harmed (the host)
- 5. a group of organisms of a species that breed and live in the same place at the same time
- 6. Respiration the process by which organisms use oxygen to break down food molecules to get chemical energy for cell functions
- 8. an organism that mostly consumes decaying biomass, such as meat or rotting plant material