Characteristics of Animals and Plants

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Across
  1. 2. the area in one section of the earth that includes the atmosphere, upper surface of Earth's crust, and the oceans.
  2. 3. This substance makes plants have their green color.
  3. 8. Seed-bearing plants that produce seeds in cones.
  4. 11. The process where plants use energy from sunlight to make food and produce oxygen
  5. 14. Many invertebrates have a skeleton outside the body, called an _____________.
  6. 15. An animal that eats meat.
  7. 16. Describes the way that animals change in order to survive in their surroundings.
  8. 18. This type of organism breaks down dead organisms and returns them to the soil.
  9. 19. These animals do not have backbones.
  10. 20. The life ______ is the period of time where animals are born, live, reproduce, and die.
  11. 22. What happens when a particular species of plant or animal cannot reproduce fast enough to continue the species and it eventually disappears.
  12. 23. This type of organism mainly uses or eats other organisms.
  13. 26. This is a complete change in the appearance of an animal.
Down
  1. 1. Seed-bearing plants that produce flowers.
  2. 4. The giant sequoia, pitcher plant, and American chestnut are all examples of plants that are _____, or in danger of becoming extinct.
  3. 5. When different populations of species depend on each other, some preying on others, and create a balance, this is called a _________.
  4. 6. These vertebrates have hair or fun, give birth to live babies, and are warm-blooded.
  5. 7. Plants that grow in moist, shady places and reproduce using spores.
  6. 9. Plants with no roots, stems, or leaves.
  7. 10. This type of organism usually consists of plants and provides resources or food for other organisms.
  8. 11. A group of a particular kind of plant or animal that lives in a certain area.
  9. 12. Amphibians are vertebrates that lay eggs, can live on land or water, cold-blooded, and have moist, slimy _____.
  10. 13. An animal that eats only plants.
  11. 17. Plants breath this in and breath out oxygen
  12. 21. Reptiles are vertebrates that lay eggs, are ______ blooded, and are dry and scaly on the outside.
  13. 24. Plants use seeds, cones, or spores to ______, or make new plants.
  14. 25. These vertebrates have gills, are cold blooded, and lay eggs.
  15. 27. Humans and _________ breathe out carbon dioxide and breathe in oxygen