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The function or position of a species within an ecological community. A species's niche includes the physical environment to which it has become adapted as well as its role as producer and consumer of food resources. See also competitive exclusion principle

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Quia - Life Science - Lesson 5: Unique Niche, Food Chains, and Food Webs - With PICTURES! (English & Spanish)

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the natural home or environment of an animal, plant, or other organism.

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U.S. Fish and Wildlife Service - Strategic Habitat Conservation

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To help wildlife and natural systems cope with complex and far-ranging threats such as drought, climate change and large-scale habitat fragmentation, we must work strategically with partners to conserve landscapes capable of supporting self-sustaining populations of fish and wildlife, while also providing for the needs of people.

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an animal that is hunted and killed by another for food.

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Signing Science Dictionary - prey definition

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an animal that naturally preys on others.

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5 Fun Things to do at the Masai Mara National Reserve

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Masai Mara safaris are popular across Africa. However, there is much more you can do in the Masai Mara National Reserve. Here is list of 5 Mara activities

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an organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense.

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IMAGES PROVIDED BY:

(1) iStock/Getty Images
(2) istock/Getty Images
(3) Scott Camazine/Getty Images
(4) Thinkstock
(5) "Taenia solium scolex" by Roberto J. Galindo. Licensed under CC BY-SA 3.0 via Wikimedia Commons -
(6) iStock/Getty Images
(7) Science Picture Co./Getty Images
(8) Science Picture Co./Getty Images
(9) Science Picture Co./Getty Images
(10) CDC
(11) Science Picture Co./Getty Images
(12) Visuals Unlimited/Getty Images
(13) Oxford Scientific/Getty Images
(14) Photolibrary/Getty Images
(15) The Carter Center
(16) Visuals Unlimited/Getty Image

SOURCES:

Centers for Diseases Control: "Bed Bugs FAQ," "Parasites - Lice," "Definition of Ringworm," "Fungal nail infections," "Malaria - FAQs," "About Parasites," "Taeniasis," "Parasites - Cysticercosis Treatment," "Parasites - Cysticercosis," "Parasites - Giardia," "Parasites - Giardia FAQs," "Trichomoniasis Fact Sheet," "Cryptosporidium Infection - General Public," "Dientamoeba fragilis FAQs," "Parasites - Scabies," "Scabies - FAQs," "Naegleria fowleri - Primary Amebic Meningoencephalitis (PAM)," "Parasites - Toxoplasmosis Biology," ""Parasites - Toxoplasmosis (Toxoplasma infection)," "Parasites - American Trypanosomiasis (also known as Chagas Disease)," "Parasites - Dracunculiasis (also known as Guinea Worm Disease)."

Studdiford, J., American Family Physician, 2012.

Badiaga, S., Clinical Microbiology and Infection, 2012.

Johns Hopkins Medicine: "Tinea Infections (Ringworm)."

California Department of Public Health: "Cysticercosis."

National Institute of Allergy and Infectious Diseases: "Parasitic Roundworm Disease," "Ascariasis," "Hookworm Disease," "Pinworm Infection," "Strongyloidiasis," "Trichinosis," "Whipworm Disease FAQs."

American Family Physician: "Diagnosis, Treatment and Prevention of Giardiasis."

Medscape: "Cryptosporidiosis"

Reviewed by Debra Jaliman, MD on February 28, 2017

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IMAGES PROVIDED BY: (1) iStock/Getty Images (2) istock/Getty Images (3) Scott Camazine/Getty Images (4) Thinkstock (5) "Taenia solium scolex" by Roberto J. Galindo.

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an association between two organisms in which one benefits and the other derives neither benefit nor harm.

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the doctrine that mutual dependence is necessary to social well-being.

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interaction between two different organisms living in close physical association, typically to the advantage of both.

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the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.

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the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.

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The biosphere (from Greek βίος bíos "life" and σφαῖρα sphaira "sphere") also known as the ecosphere (from Greek οἶκος oîkos "environment" and σφαῖρα), is the worldwide sum of all ecosystems. It can also be termed the zone of life on Earth, a closed system (apart from solar and cosmic radiation and heat from the interior of the Earth), and largely self-regulating.