Sex

•  Ecology

  The scientific discipline of ecology encompasses areas from global processes (above), to the study of marine and terrestrial habitats (middle) to interspecific interactions such as predation and pollination (below). Ecology is the interdisciplinary scientific study of the distributions, abundance and relations of organisms and their interactions with the environment. Ecology is also the study of ecosystems.

  

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•  Extinction event

  An extinction event is a sharp decrease in the diversity and abundance of macroscopic life. They occur when the rate of extinction increases with respect to the rate of speciation. Because the majority of diversity and biomass on earth is microbial, and thus difficult to measure, mass extinctions have little effect on the total diversity and abundance of life, but rather affect the easily observed component of the biosphere.

  

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•  Homeostasis

  Homeostasis is the property of a system, either open or closed, that regulates its internal environment and tends to maintain a stable, constant condition. Typically used to refer to a living organism, the concept came from that of milieu interieur that was created by Claude Bernard and published in 1865. Multiple dynamic equilibria adjustment and regulation mechanisms make homeostasis possible.

  

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•  Life

  Life is a characteristic that distinguishes objects that have self-sustaining biological processes from those that do not–either because such functions have ceased, or else because they lack such functions and are classified as ". " In biology, the science of living organisms, "life" is the condition which distinguishes active organisms from inorganic matter, including the capacity for growth, functional activity and the continual change preceding death.

  

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•  Marine biology

  Marine biology is the scientific study of organisms in the ocean or other marine or brackish bodies of water. Given that in biology many phyla, families and genera have some species that live in the sea and others that live on land, marine biology classifies species based on the environment rather than on taxonomy. Marine biology differs from marine ecology as marine ecology is focused on how organisms interact with each other and environment and biology is the study of the animal itself.

  

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•  Neuroscience

  Neuroscience is the scientific study of the nervous system. Traditionally, neuroscience has been seen as a branch of biology. Nevertheless, it is currently an interdisciplinary science that involves other disciplines such as psychology, computer science, statistics, physics, philosophy, and medicine.

  

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•  Biological anthropology

  Biological anthropology, or physical anthropology is a branch of anthropology that studies the development of our species, in the context of the other primates. This incorporates biocultural studies of human diversity through time and over space; the ancestry of the human species; and the comparative anatomy, behavior, history, and ecology of the other primates. Physical anthropology emerged in the 18th century as the study of race.

  

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•  Self-replication

  Self-replication is any process by which a thing will make a copy of itself. Biological cells, given suitable environments, reproduce by cell division. During cell division, DNA is replicated and can be transmitted to offspring during reproduction. Biological viruses can reproduce, but only by commandeering the reproductive machinery of cells through a process of infection. Harmful prion proteins can replicate by converting normal prions into rogue forms.

  

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•  Vacuole

  A vacuole is a membrane bound organelle which is present in all plant and fungal cells and some protist, animal and bacterial cells. Vacuoles are essentially enclosed compartments which are filled with water containing inorganic and organic molecules including enzymes in solution, though in certain cases they may contain solids which have been "eaten up" by the vacuole. The vacuole can absorb materials within the cell because it has a permeable (it has holes to let stuff through) membrane.

  

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•  Gender

  Not to be confused with genre. Gender is the wide set of characteristics that are seen to distinguish between male and female entities, extending from one's biological sex to, in humans, one's social role or gender identity. As a word, it has more than one valid definition. In linguistics, it refers to characteristics of words. In ordinary speech, it is used interchangeably with "sex" to denote the condition of being male or female.

  

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•  anhminh1232002

  

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•  alvinc

  

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•  spqr0a1

  

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•  alohakam

  

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•  littlezombie

  

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•  MmmBop

  

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•  bigdaddy931

  

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•  tootielynn

  

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•  amyes

  

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•  nihil

  

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•  Mehmetali

  

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•  ambiixchan

  

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•  popebm

  

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•  Danielle822

  

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•  Wintermute1974

  

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•  abhishekd

  

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•  LordHaveaMercyonEveryone

  

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•  jimstark

  

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•  fabi94

  

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•  shilmani

  

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•  AveMaria

  

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•  jellis0813

  

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•  caragingrow

  

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•  Jaydee69

  

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•  Emmyness420

  

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•  Alkane

  Alkanes, also known as paraffins, are chemical compounds that consist only of the elements carbon (C) and hydrogen (H), wherein these atoms are linked together exclusively by single bonds (i.e. , they are saturated compounds) without any cyclic structure (i.e. loops). Alkanes belong to a homologous series of organic compounds in which the members differ by a constant relative molecular mass of 14.

  

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•  Echelon, New Jersey

  Echelon is a census-designated place and unincorporated area located within Voorhees Township, in Camden County, New Jersey. As of the United States 2000 Census, the CDP population was 10,440. Echelon Mall is located here.

  

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•  .ua

  . ua is the Internet country code top-level domain for Ukraine.

  

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•  Mighty Morphin Power Rangers The Movie

  

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•  Time (Pink Floyd Song)

  

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