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Q: A long-term relationship between two species that usually involves an exchange of food or energy is A. predation. B. symbiosis. C. niche. D. competition.
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User: A long-term relationship between two species that usually involves an exchange of food or energy is A. predation. B. symbiosis. C. niche. D. competition.

Weegy: b. mutualism, commensalism, and parasitism- are the three types of symbiosis.
yumdrea|Points 4850|

User: Which of the following does not contribute to eutrophication? A. Decaying organisms B. Fertilizer C. Pollution D. Sediment

Weegy: A. Pollution does not contribute to eutrophication.
jeifunk|Points 15414|

User: Which biome contains permafrost? A. Temperate deciduous forest B. Tundra C. Taiga D. Temperate rain forest

Question
Asked 2/15/2014 5:00:41 AM
Updated 2/15/2014 5:31:45 AM
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This conversation has been flagged as incorrect.
Flagged by jeifunk [2/15/2014 5:31:45 AM]
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B. TUNDRA forest contains permafrost.
Added 2/15/2014 5:31:09 AM
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A long-term relationship between two species that usually involves an exchange of food or energy is MUTUALISM.
Added 2/15/2014 5:31:44 AM
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Heat passes through liquids by the process of A. absorption. B. convection. C. radiation. D. conduction.
Question
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Updated 12/4/2014 12:56:53 PM
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Heat passes through liquids by the process of Convection.

Added 12/4/2014 12:56:53 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [12/4/2014 1:09:19 PM]
If a child has two genes for blonde hair (one from each parent), his genotype is said to be A. recessive. B. homozygous. C. heterozygous D. dominant.
Weegy: If a child has two genes for blonde hair (one from each parent), his genotype is said to be HOMOZYGOUS. Check the link for additional details: User: Which of the following is not a function of protein? A. Insulating the body B. Helping cells communicate C. Giving cells structure D. Serving as enzymes Weegy: Insulating the body is not a function of protein. User: Blood clotting and childbirth are examples of A. positive feedback. B. sensory input. C. hormonal control. D. negative feedback. Weegy: Blood clotting and childbirth are examples of positive feedback. User: Factors like lack of variation and environmental changes can cause a species to fail to survive. This is known as A. conservation. B. evolution. C. extinction. D. mutation. (More)
Question
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Updated 2/15/2014 11:42:47 AM
2 Answers/Comments
Factors like lack of variation and environmental changes can cause a species to fail to survive. This is known as C. extinction.
Added 2/14/2014 5:48:04 AM
This answer has been confirmed as correct and helpful.
Which of the following terms refers to how genetic traits are expressed? A. Dominance B. Genotype C. Phenotype D. Display
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Updated 2/14/2014 5:29:43 AM
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B. Genotype refers to how genetic traits are expressed.
Added 2/14/2014 5:29:43 AM
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The Phanerozoic eon is made up of all of the following except the _______ era. A. Cenozoic B. Mesozoic C. Paleozoic D. Permezoic
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Updated 2/15/2014 9:36:03 AM
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The Phanerozoic eon is made up Paleozoic, Mesozoic and Cenozoic except the PERMEZOIC.

Added 2/15/2014 9:36:03 AM
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