'Prey numbers' diaporamas de présentation

Interspecific Relationships

Interspecific Relationships. AS Explanatory note. interspecific relationships (predation, parasitism, mutualism, commensalism, competition for resources). Mutualism (+,+).

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THE BEHAVIOUR OF PREDATORS

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Announcements: -- For lecture next week, read Chapters 6 and 7 (now 1-7).

Announcements: -- For lecture next week, read Chapters 6 and 7 (now 1-7). -- For lab this week, read Chapter 9 (Using the Library and Scientific Literature) -- ALSO, for the lab, read the paper posted on the website by Erichsen, Krebs, and Houston (1980). This paper tests the model

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iGEM @ Imperial

iGEM @ Imperial. Only three ideas made the cut. Bio-Clock (Re-defining Time). Pulse of AHL moves along a gutter of medium Cells fluoresce when activated Refractory period The time period is controlled by the radius gutter width cell density. Bio-Memory.

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Factors Affecting Population Change

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Predator-Prey Strategies

Predator-Prey Strategies. Biological Science 3 2011. Strategies for Avoiding Predators. Poisons Mimicry Visual deception Chemical defenses Offensive weapons Camouflage Size. Poisons. Poisonous organisms often have bright colours to warn predators away.

415 views • 18 slides