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California Sea Lion
Transcript of California Sea Lion
California Sea Lion
The scientific name of the California sea lion is Zalophus Californianus. These animals belong to the kingdom Animalia, the phylum Chordata, the class Mammalia, the order Carnivora, the family Otariidae, the genus Zalophus, and the species Californianus.
Scientific Name and Taxonomy
The natural habitat of the California sea lions is by shallow, cool water near the coast or at estuaries, which is where a large river meets a narrow stream, and where there are sandy or rocky beaches.
In the Farallon National Wildlife Refuge, there are many species of birds, other animals, and pinnipeds, which are carnivorous aquatic mammals, other than California sea lions. Especially important biotic factors that support California sea lions are killer whales and large sharks, which are their predators, because they help control the population of California sea lions, and many species of fish, because they are the prey of California sea lions, and are their source of energy. Many species of herbs, native, and nonnative plants are found in the Farallon National Wildlife Refuge as well, such as maritime goldfield, an herb, and Monterey cypress, which is a nonnative plant. An important plant is phytoplankton, because many of the California sea lions' prey feed on it, which is a producer in many food chains in this ecosystem.
Biotic Factors in the Ecosystem
Important abiotic factors in the Farallon National Wildlife Refuge include soil, water, sand, and wind. The soil contains nutrients that are necessary for plants to grow. Water is an important abiotic factor for ecosystems, because all living organisms need water to survive. California sea lions also live in the water and get their food from organisms that live in the water, because their diet is mainly fish. Sand is important for California sea lions because they rest and spend quite a bit of time on sandy beaches along the coast. In the Farallon National Wildlife Refuge, wind is an important abiotic factor because it partly determines which species of plants live there. Because some plants can not survive the rough winds, they do not grow here. These few abiotic factors are especially important in supporting California sea lions and other organisms in this refuge, though there are many more.
Abiotic Factors in the Ecosystem
The California sea lion's life cycle starts when it is born, weighing approximately thirteen pounds. It can move around within thirty minutes of birth. At three weeks of age, pups will gather together and play. California sea lions reach adulthood at around nine years old. Their life span is around thirty years. These animals live in the ecosystem that they were born in their entire lives.
California sea lions can hear much better underwater than they can on land. They have an incredible hearing range, being able to hear up to 70,000 Hertz, while humans can only hear up to about 20,000 Hertz.
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