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Početna Mogućnosti Cjenik
American Alligator - American Alligators use their tails to make burrow to stay warm and when they move on, these burrows fill with water which is used by rodents, snakes, and other smaller species. American Alligators are also predators that keep species' numbers in check. , Beaver - Fish and other aquatic organisms like to live in still water. Beavers build dams that change their environment. Their dams create pools of still water. , Elephant - Grasslands are homes to Zebra, Water buffalo, Lions and hyenas. Elephants knock down trees and and help keep the grassland a grassland , Gopher Tortoise - Frogs, snakes, owls and small rodents need burrows as their homes. The Gopher Tortoise makes large burrows and then leaves them., Sugar Maple - The sugar maple tree brings water from lower levels in the ground that helps wildflowers, hardwood trees, and birch. The sugar maple is also home to many insects, birds, and small animals, Bee - Many plants need pollinators to reproduce. Bees go from flower to flower, pollinating plants., Mutualism - This symbiotic relationship is when both species benefit, Commensalism - This symbiotic relationship is where one species benefits and the other is not bothered, Parasitism - This symbiotic relationship is where one organism benefits and the other is harmed, Keystonespecies - An organism that, if removed from the ecosystem, would destroy the stability of that ecosystem, Ivory Tree Coral - Fish, invertebrates, crabs, and other organisms need homes to be protected from predators. These fish, invertebrates, crabs and other organisms are an important part of the food chain. The Ivory Tree Coral is a living structure that can provide homes for organisms. , Pacific Salmon - Grizzly Bears feed on the Pacific Salmon that spawn every year. Grizzly Bears are important predators in the ecosystem. When the Pacific Salmon die they also bring nutrients to the river water that benefits the producers which are the base of the food web.  ,

Keystone Species Crossword

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