Random dispersions are not common in nature, largely because abiotic conditions, resources, and interactions with other species are not randomly distributed

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#Id: 4801

#Unit 13. Methods in Biology

Standard deviation: It computes the dispersion of a dataset relative to its mean.

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#Id: 1864

#Unit 10. Ecological Principles

Exploitation competition- Organisms compete indirectly through the consumption of a limited resource.

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#Id: 5990

#Unit 10. Ecological Principles

Elizabeth Borer and colleagues argued that the ecosystem exploitation hypothesis makes specific predictions about plant and herbivore biomass under certain scenarios: In a community with only plants and herbivores, if nutrients increase, as with fertilization, herbivore biomass should increase, while plant productivity remains unchanged.  n a community with plants, herbivores, and predators, plant biomass should increase with added nutrients, while herbivore biomass should remain unchanged.

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#Id: 2473

#Unit 13. Methods in Biology

In ZE a homogeneous buffer system is used over the whole separation time and range so as to ensure a constant pH value.

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#Id: 1465

#Unit 4. Cell Communication and Cell Signaling

Three classes of classical cadherins: 

E-cadherin -present on many types of epithelial cells

N-cadherin - present on nerve, muscle and lens cells

P-cadherin - present on cells in the placenta & epidermis