Each plant or animal has different structures that serve different functions in growth, survival, and reproduction. Life cycles of organisms Plants and animals have life cycles that include being born, developing into adults, reproducing, and eventually dying. People have always had questions about their world. Science is one way of answering questions and explaining the natural world. Scientists and engineers often work in teams with different individuals doing different things that contribute to the results.
Tools help scientists make better observations, measurements, and equipment for investigations.
They help scientists see, measure, and do things that they could not otherwise see, measure, and do. Some objects occur in nature while others have been designed by people to solve human problems. Science in Personal and Social Perspectives Science and technology in local challenges People continue inventing new ways of doing things and solving problems. Science and technology have greatly improved food quality and quantity, transportation, health, sanitation, and communication. These benefits of science and technology are not available to all of the people of the world.