Biogeochemical cycles can be divided into two broad types:

Local cycles, which involve elements with no atmospheric mechanism for long-distance transfer. Ex- The phosphorus cycle

Global cycles, which involve an interchange between the atmosphere and the ecosystem. Ex- The carbon, Nitrogen, Sulfur, and Water

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#Id: 9583

#Unit 11. Evolution and Behavior

Triassic - First dinosaurs and mammal, Mass extinction near end of period

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#Id: 2077

#Unit 8. Inheritance Biology

During human chromosome rearrangements deletion onto the chromosome 4 in the short arm causes Wolf–Hirschhorn syndrome.

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#Id: 4003

#Unit 2. Cellular Organization

Full relaxation of the supercoils requires 1 nick/85 kb, thus identifying the average length of “closed” DNA. This region could comprise a loop or domain similar in nature to those identified in the bacterial genome called as metaphase scaffold.

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#Id: 6640

#Unit 8. Inheritance Biology

Interference- Degree to which one crossover interferes with additional crossovers.

Interference = 1 − Coefficient of coincidence 

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#Id: 4568

#Unit 8. Inheritance Biology