Day 3 Ecosystems Intro
Watch this video: Generation Genius Food Webs Read this article (or click here to have it read to you ) and then answer the questions on your journal page for DAY 3. What is the source of energy for almost all ecosystems? The SUN supports most of Earth's ecosystems . Plants create chemical energy from abiotic factors that include solar energy . The food energy created by producers is passed through the food chain . How Energy Flows Through Ecosystems All living things need energy. They need it to power the processes of life. For example, it takes energy to grow. It also takes energy to produce offspring. In fact , it takes energy just to stay alive. Remember that energy can’t be created or destroyed. It can only change form. Energy changes form as it moves through ecosystems. ANSWER QUESTION 1 The Flow of Energy Most ecosystems get their energy from the Sun. Only produ...