SCIENCE GRADE FOUR – FOOD WEBS AND ADAPTATIONS Natural or person made changes Food Webs and Adaptations Environmental changes Plants Vocabulary: All K-3 process vocabulary plus: Expository report Scientific method Variable Balance Adaptation Behavior Food chain Food web Predator Prey Organism Producer Ecosystem Energy Use of Energy Survival Food Web Food Chain Essential Understandings: Organisms adapt to changes in their environment Animals and plants are living parts of the environment Environmental changes can be good or bad for the organisms that live there Food is needed for energy for all organisms Organisms use energy from food to grow The same kinds of organisms can have different characteristics that help them survive In a food chain, energy is passed from one organism to another A food web shows the food relationships within a community The Sun is a source of all energy for living things Plants make their own food There are two major food webs on earth; land and water All organisms need energy to survive Changes to the environment can be natural or person made changes Adaptations are changes that happen to plants and animals over many generations in response to their habitat Plants have different structures to get air, water, food and protection from their environment Plants and animals have different ways to get air, water, food and protection in water