animal

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Across
  1. 4. A chemical substance released by an animal that influences the behavior of another animal of the same type
  2. 7. Biological process by which and organism/s reproduce another offspring that is biologically similar to the organism.
Down
  1. 1. _______ cells are the male reproductive cells.
  2. 2. Takes place when a sperm cell unites with the egg cell.
  3. 3. Mating posture of frogs to make sure that the sperm reach the eggs.
  4. 5. ________ cells are the female reproductive cells.
  5. 6. Fertilized egg which develops into an