Notes for B4.2.10 Adaptations of predators - IB | RevisionDojo
B4.2.10 Adaptations of predators Notes
Predator-Prey Interactions: Adaptations in Predation and Defense
Predators rely on their adaptations to hunt, kill, and consume prey, while prey species have evolved various strategies to escape or deter predation.
These adaptations can be physical, chemical, or behavioral, ensuring survival in complex ecosystems.
Physical Adaptations Occur Gradually
Physically adaptations develop gradually because they require genetic mutations and selection over multiple generations.
These changes often reflect long-term responses to consistent environmental pressures, such as food availability or predation.
Predators
Prey
Chemical Adaptations Are Slowest To Evolve
Chemical adaptations require the development of new enzymes or biochemical pathways, which can take millions of years to evolve.
These adpataitons often evolve in response to specialized environments, such as the ability of some animals to detoxify plant toxins or thrive in extreme conditions.
Predators
Prey
Behavioral Adaptations Occur The Quickest
Behavioral adaptations can evolve relatively quickly because they often do not require genetic changes.
Example
In the 1920s, blue tits began feeding on cream from milk bottles delivered to doorsteps.
This behavior rapidly spread across Europe as the birds learned from each other.
By the 1990s, this behavior disappeared when bottled milk deliveries decreased, demonstrating the dependency of behavioral changes on environmental availability.
Predators
Prey
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Note
Introduction to Predator-Prey Adaptations
Predators and prey are engaged in a constant evolutionary struggle, where both sides develop adaptations to outcompete each other.
This dynamic interaction is crucial for maintaining the balance of ecosystems, shaping species' behaviors, morphologies, and survival strategies.
AnalogyThink of predator-prey adaptations like a never-ending game of chess, where each player continuously improves their strategies to outsmart the other.
DefinitionAdaptationA heritable trait that enhances an organism's survival or reproductive success in its environment.
ExampleIn the African savanna, cheetahs have evolved incredible speed to catch prey, while gazelles have developed agile escape maneuvers.
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