What's Happening Underground? Bulb Life Cycles (back to lesson) National Science Education Standards r Inquiry Ask a question about objects, organisms, events. Plan and conduct a simple investigation. Life Science Each plant or animal has different structures that serve different functions in growth, survival, reproduction. Plants and animals have life cycles that include being born, developing into adults, reproducing, and eventually dying. The details of this life cycle are different for different organisms.   Copyright 2005 Journey North. All Rights Reserved. Please send all questions, comments, and suggestions to our feedback form