Animal Crossword

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Across
  1. 2. A form of asexual reproduction where a new organism develops from an outgrowth or bud on the parent
  2. 5. An internal skeleton that supports the body, found in vertebrates
  3. 6. An organ that develops the fetus, allowing for nutrient and waste exchange during pregnancy
  4. 7. A hard outer structure that provides support and protection, found in arthropods
  5. 8. Glands in female mammals that produce milk to nourish their young
  6. 10. Animals that can regulate their body temperature internally, often referred to as warm-blooded
  7. 11. organisms that live on or near the bottom of a water body
  8. 12. Animals with a backbone
  9. 14. The process of shedding an outer layer, such as skin or an exoskeleton
  10. 15. free-swimming, umbrella-shaped life stage of certain cnidarians like jellyfish
  11. 18. Symmetry around a central axis, like in starfish or jellyfish
Down
  1. 1. Animals that lack a backbone
  2. 3. A network of fluid-filled canals in echinoderms (like starfish) used for movement and feeding
  3. 4. sessile life stage of certain cnidarians, typically attached to a substrate
  4. 9. Eggs that have a protective amniotic membrane, allowing for development outside of water, characteristic of reptiles, birds, and mammals
  5. 13. Animals that rely on external sources of heat to regulate their body temperature, often referred to as cold-blooded
  6. 16. Symmetry where the body can be divided into two identical halves along one plane
  7. 17. A flexible connective tissue found in various parts of the body, such as joints and the nose
  8. 19. A lack of symmetry
  9. 20. An internal gas-filled organ that helps fish maintain buoyancy in water