Animals

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Across
  1. 1. has bell-shaped bodies and their mouths are facing downward.
  2. 5. maintain homeostasis despite fluctuations in the external surroundings by keeping the body temperature constant.
  3. 9. they possess an internal skeleton and move using tube feet.
  4. 10. are invertebrates that have soft, slender and elongated bodies.
  5. 11. have base-like bodies that are usually stationary. They also have their mouths facing upward.
  6. 12. are animals that do not have backbones.
Down
  1. 2. are poriferans are sessile animals that eat with their bodies through their pores since they do not have tissues and organs.
  2. 3. are animals that have backbones.
  3. 4. are composed of animals that have saclike internal cavities and stinging cells called nematocyst.
  4. 6. are soft-bodied invertebrates that are covered with shells.
  5. 7. are invertebrates that have jointed legs, segmented bodies and an exoskeleton.
  6. 8. depend heavily on the external surroundings to keep them warm and maintain homeostasis because they could not-produce much internal heat.