Across
- 3. the immediate descendants of a person or organism
- 4. small-hard part of a plant from which a new plant can grow.
- 5. organisms that are large enough to be seen with the naked eye and lack a backbone.
- 6. organism caught or hunted for food by another organism.
- 8. the branch of biology that studies plants
- 9. the place where living things naturally live and grow.
- 11. remains or traces of plants and animals that lived a long time ago.
- 13. a community of organisms where each member is eaten in turn by another member.
- 14. animal that can eat and survive on both plant and animal matter.
- 17. organism that feeds on other organisms for food.
- 18. animals that have a body temperature that varies with the environment.
- 19. animals that can maintain a constant body temperature.
- 20. the interconnected feeding relationships in a food chain found in a particular place and time.
- 21. a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life.
Down
- 1. animal that eats mostly meat, or the flesh of animals.
- 2. animal that feeds chiefly on grass and other plants.
- 7. the resting state in which some animals pass the winter.
- 10. small organisms that float or drift in water.
- 12. top of the food chain or web and tend to be the biggest animals in it.
- 15. a change or alteration in form or qualities
- 16. earth science that studies fossil organisms