What are ways that living things interact? Give examples., Helping in groups, for example, prairie dogs cooperating for protection.One kind helping another, like barnacles attaching to whales for mobility. Two kinds helping each other, for example, moths and yacca plants., What is a producer?, A living thing that makes its own food is a producer, like green plants. They use energy from sunlight to make food., What is a consumer?, living thing that eats food is a consumer, like dogs, Energy passes to living things within the, Food chain, Food chains are groups of... and.... that interact in a special way, producer and consumer, What is a prey?, Prey is any animal that is hunted by others for food, What is a predator?, A predator is a consumer that hunts for food., What is a food chain?, A food chain shows how living things get energy by eating other living things. It shows who eats whom, what is a food web?, A food web is made up of many food chains, and it ties the whole community together. Each part of the food web affects the other parts, so everything is connected. For example, plants are eaten by insects, insects are eaten by birds, and birds can be eaten by larger animals., What happens if one part of a food web is removed or changed?, If one part is taken away, other parts also change. For example, when prairie dogs were removed, cattle took over their land. This made it harder for prairie dogs to survive, and many got sick or died, which meant fewer prairie dogs in the area, When do living things compete?, Living things compete when they need the same resources. For example, small trees compete for sunlight because the tall trees take most of it, and the small trees have to share what's left., What are kinds of competition?, Living things can compete for resources like food, water, sunlight, oxygen, and space. For example, plants compete for sunlight, animals compete for food and space, and even predators and prey can compete for these resources,, What causes changes in the environment?, Changes in the environment can be caused by living things and natural events.For example, a beaver causes change by building a dam. Natural events like hurricanes and floods also cause changes., What is a decomposer?, A decomposer is a living thing that breaks down waste and dead living things. For example, mushrooms are decomposers, What is decay?, Decay is when dead plants and animals are broken down by tiny living things, like bacteria and fungi, and this helps turn them into nutrients for the soil., People find what they need for life in their, Environment., What are the basic needs of people?, 1. Food: Gives us energy.2. Water: Keeps us hydrated.3. Shelter: Protects us from the weather.4. Air: We need clean air to breathe.5. Clean environment: Helps us stay healthy and happy., To be sure you are getting all the and must eat a variety of healthful foods., vitamins and minerals., What are the variety of healthful foods that people need?, It includes whole grains, fruits, vegetables, as well as nuts, fish, eggs, dairy foods, and meat, What does the digestive system do?, It breaks food down into a form that our bodies can use to live and grow., What are the parts of the digestive system and what do they do?, Mouth,Stomach,Small Intestine,Large Intestine, Mouth, Teeth break food into small pieces, and the tongue mixes it with spit so we can swallow it., Stomach, Muscles mix the food with special juices, turning it into a soft, mushy paste., Small Intestine, This is where most of the digestion happens. The food is broken down further, and the nutrients go into the blood., Large Intestine, Here, water is absorbed, and what's left turns into solid waste, which the body then gets rid of., What are herbivores, omnivores, and carnivores? , Herbivores are animals that only eat plants—like rabbits and deer. Carnivores are animals that only eat other animals—like lions and sharks. Omnivores are animals that eat both plants and animals—like us humans and bears.

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