Which animals are dependent on sea creatures for food and how does the food chain work for them? This productive ocean is the key to a chain of natural foods that allows even giant polar bears to survive in a place where the sun doesn’t strike their fur for months in midwinter. In the natural world, top predators have no enemies—in other words, no one messes with them. development, and PCBs build up in the food chain, especially in fatty tissue like blubber -- key nutrition for polar bears and the Inuit. Lions, orcas, alligators, and polar bears are all top predators. Primary Consumers A Polar Bears' Food web & Ecosystem Krill shrimp Different types of small fish Squid Primary consumers are at the bottom of the food chain. The children could also find out about a range of arctic animals such as the polar bear, musk ox, walrus or caribou. 7 Food provides the that plants and animals need to grow and thrive. A food chain is made up of and . Carnivore teeth are designed for eating . The is the largest land carnivore. Ask the children to think of themselves in the food chain. They should write down their findings about what these different animals eat. As a result polar bears and Inuit suffer subtle effects on the immune system, brain development and reproduction. 1. can feed from living things found at all levels of a food chain. In a freshwater aquatic ecosystem like a pond, the organisms in the food chain include algae, small animals, insects and their larvae, small fish, big fish and a fish-eating bird or animal (Figure 8.4). A polar bear can eat 100 pounds of blubber in a single sitting. 3. Male polar bears also hunt larger bearded seals. At the top of a food chain are animals that are not food for any other animals. 5. At each link in the food chain energy is lost as it passes from one organism to another. Behavior Polar bears tend to live solitary lives except when mating, when a female raising her cubs forms a family group, or when many bears are attracted to a food … A food chain in a grassland ecosystem may consist of grasses and other plants, grasshoppers, frogs, snakes and hawks (Figure 8.3). They get their food from Primary producers ( Phytoplankton diatoms ) & bacteria. In the Arctic, polar bears are at the top of the food chain; they eat everything and nothing (except native hunters) eats them. These animals are called top predators. In the Arctic food chain, the Arctic Fox is the secondary consumer, second only to the Polar Bear … When sea ice forms over the ocean in cold weather, many polar bears, except pregnant females, head out onto the ice to hunt seals . A is a scientist who studies animals. Polar bears live along shores and on sea ice in the icy cold Arctic. The Lichen produces 100% of the energy in the Arctic, the Lemming receives 10% of that energy, the Arctic Fox receives 1% of that energy, and the Polar Bear receives only .01% of that energy. Polar bears often rest silently at a seal's breathing hole in the ice, waiting for a seal in the water to surface. Students can use this printable to learn about the basics of the food chain. mammals on Earth, whales. 4. Carnivores often become due to habitat loss. 6. Polar bears primarily eat seals. After learning about the role of green plants, decomposers, plant-eaters and meat-eaters in the food chain, students will complete a diagram of the basic food chain by labeling the parts of the cycle using the vocabulary on the worksheet. If Krill shrimp, the different types of This information was taken from: Concerned Citizens of Cattaraugus County, Inc. Ringed seals are the most accessible, especially to younger bears and females. 2. Food webs are made of interconnected food chains. 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