Biology Vocab Review

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Across
  1. 4. Small, leg-like appendages found on the abdomens of crustaceans, often used for swimming, reproduction, or both.
  2. 8. The order of reptiles that contains crocodiles and alligators.
  3. 10. All the different populations of organisms that live and interact in the same area.
  4. 11. A group of organisms of the same species living in the same area and capable of interbreeding.
  5. 13. The order of reptiles that contains lizards and snakes.
  6. 14. Animals that possess both male and female reproductive organs
  7. 15. A hard external covering or shell that provides support, protection, and structure to the body of an arthropod.
  8. 16. The middle section of an arthropod's body, located between the head (cephalothorax) and the abdomen, often bearing legs or wings.
  9. 19. The process by which water is absorbed by plants from the soil, moves through the plant, and then evaporates from the leaves into the atmosphere.
  10. 20. Hard coverings on the skin of reptiles that help retain water and provide protection
Down
  1. 1. An egg that has a hard shell and contains fluid, designed for growing on land.
  2. 2. Animals that have backbones
  3. 3. A cylindrical form found in cnidarians like sea anemones, with a mouth surrounded by tentacles.
  4. 5. The process by which arthropods shed their exoskeleton in order to grow, allowing for expansion and development of a new, larger exoskeleton.
  5. 6. The study of how living organisms interact with each other and their environment.
  6. 7. The fused head and thorax region found in some arthropods.
  7. 9. Cannot regulate its own body temperature - "cold-blooded"
  8. 12. A long, rod-like midline structure that develops in chordates that acts as a central coordinator during chordate development
  9. 17. Animals that lack backbones
  10. 18. A large naturally occurring community of flora and fauna occupying a major habitat, such as a forest or desert.