Dispersal is the movement of individuals from one area to another.

Dispersal involves individuals leaving their habitat of origin—where a seed was made or where a squirrel was born—and typically not returning.

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#Unit 1. Molecules and their Interaction Relevant to Biology

UV absorption

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#Unit 10. Ecological Principles

 Brian Walker (1992) proposed the Redundancy hypothesis Species that play the same roles in a community can compensate for each other if some are lost under particular conditions

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#Unit 8. Inheritance Biology

Y-Linked Traits

Y-linked traits appear only in males and are passed from a father to all his sons.

Does not skip generations. Example – Hypertrichosis, Webbed toes

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#Unit 10. Ecological Principles

Evenness is a measure of how diverse a community is relative to the maximum possible diversity

E=H_s/H_max

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#Unit 6. System Physiology – Plant

For many aphids, EBF is the principal constituent of the aphid alarm pheromone, and the constitutive production of EBF by plants could hold promise in the control of specific aphid pests